218888892

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:134

約数の個数: 180

約数和(自身を含む): 639213960

約数和(自身を除く): 420325068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 37, 38, 54, 57, 62, 74, 76, 81, 93, 108, 111, 114, 124, 148, 162, 171, 186, 222, 228, 279, 324, 333, 342, 372, 444, 513, 558, 589, 666, 684, 703, 837, 961, 999, 1026, 1116, 1147, 1178, 1332, 1406, 1539, 1674, 1767, 1922, 1998, 2052, 2109, 2294, 2356, 2511, 2812, 2883, 2997, 3078, 3348, 3441, 3534, 3844, 3996, 4218, 4588, 5022, 5301, 5766, 5994, 6156, 6327, 6882, 7068, 8436, 8649, 10044, 10323, 10602, 11532, 11988, 12654, 13764, 15903, 17298, 18259, 18981, 20646, 21204, 21793, 25308, 25947, 30969, 31806, 34596, 35557, 36518, 37962, 41292, 43586, 47709, 51894, 54777, 56943, 61938, 63612, 65379, 71114, 73036, 75924, 77841, 87172, 92907, 95418, 103788, 106671, 109554, 113886, 123876, 130758, 142228, 155682, 164331, 185814, 190836, 196137, 213342, 219108, 227772, 261516, 311364, 320013, 328662, 371628, 392274, 426684, 492993, 588411, 640026, 657324, 675583, 784548, 960039, 985986, 1176822, 1280052, 1351166, 1478979, 1765233, 1920078, 1971972, 2026749, 2353644, 2702332, 2880117, 2957958, 3530466, 3840156, 4053498, 5760234, 5915916, 6080247, 7060932, 8106996, 11520468, 12160494, 18240741, 24320988, 36481482, 54722223, 72962964, 109444446, 218888892]

約数ペア:

[(1, 218888892), (2, 109444446), (3, 72962964), (4, 54722223), (6, 36481482), (9, 24320988), (12, 18240741), (18, 12160494), (19, 11520468), (27, 8106996), (31, 7060932), (36, 6080247), (37, 5915916), (38, 5760234), (54, 4053498), (57, 3840156), (62, 3530466), (74, 2957958), (76, 2880117), (81, 2702332), (93, 2353644), (108, 2026749), (111, 1971972), (114, 1920078), (124, 1765233), (148, 1478979), (162, 1351166), (171, 1280052), (186, 1176822), (222, 985986), (228, 960039), (279, 784548), (324, 675583), (333, 657324), (342, 640026), (372, 588411), (444, 492993), (513, 426684), (558, 392274), (589, 371628), (666, 328662), (684, 320013), (703, 311364), (837, 261516), (961, 227772), (999, 219108), (1026, 213342), (1116, 196137), (1147, 190836), (1178, 185814), (1332, 164331), (1406, 155682), (1539, 142228), (1674, 130758), (1767, 123876), (1922, 113886), (1998, 109554), (2052, 106671), (2109, 103788), (2294, 95418), (2356, 92907), (2511, 87172), (2812, 77841), (2883, 75924), (2997, 73036), (3078, 71114), (3348, 65379), (3441, 63612), (3534, 61938), (3844, 56943), (3996, 54777), (4218, 51894), (4588, 47709), (5022, 43586), (5301, 41292), (5766, 37962), (5994, 36518), (6156, 35557), (6327, 34596), (6882, 31806), (7068, 30969), (8436, 25947), (8649, 25308), (10044, 21793), (10323, 21204), (10602, 20646), (11532, 18981), (11988, 18259), (12654, 17298), (13764, 15903)]