198511848

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 588650400

約数和(自身を除く): 390138552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 151, 152, 171, 186, 228, 248, 279, 302, 342, 372, 453, 456, 558, 589, 604, 684, 744, 906, 961, 1116, 1178, 1208, 1359, 1368, 1767, 1812, 1922, 2232, 2356, 2718, 2869, 2883, 3534, 3624, 3844, 4681, 4712, 5301, 5436, 5738, 5766, 7068, 7688, 8607, 8649, 9362, 10602, 10872, 11476, 11532, 14043, 14136, 17214, 17298, 18259, 18724, 21204, 22952, 23064, 25821, 28086, 34428, 34596, 36518, 37448, 42129, 42408, 51642, 54777, 56172, 68856, 69192, 73036, 84258, 88939, 103284, 109554, 112344, 145111, 146072, 164331, 168516, 177878, 206568, 219108, 266817, 290222, 328662, 337032, 355756, 435333, 438216, 533634, 580444, 657324, 711512, 800451, 870666, 1067268, 1160888, 1305999, 1314648, 1600902, 1741332, 2134536, 2611998, 2757109, 3201804, 3482664, 5223996, 5514218, 6403608, 8271327, 10447992, 11028436, 16542654, 22056872, 24813981, 33085308, 49627962, 66170616, 99255924, 198511848]

約数ペア:

[(1, 198511848), (2, 99255924), (3, 66170616), (4, 49627962), (6, 33085308), (8, 24813981), (9, 22056872), (12, 16542654), (18, 11028436), (19, 10447992), (24, 8271327), (31, 6403608), (36, 5514218), (38, 5223996), (57, 3482664), (62, 3201804), (72, 2757109), (76, 2611998), (93, 2134536), (114, 1741332), (124, 1600902), (151, 1314648), (152, 1305999), (171, 1160888), (186, 1067268), (228, 870666), (248, 800451), (279, 711512), (302, 657324), (342, 580444), (372, 533634), (453, 438216), (456, 435333), (558, 355756), (589, 337032), (604, 328662), (684, 290222), (744, 266817), (906, 219108), (961, 206568), (1116, 177878), (1178, 168516), (1208, 164331), (1359, 146072), (1368, 145111), (1767, 112344), (1812, 109554), (1922, 103284), (2232, 88939), (2356, 84258), (2718, 73036), (2869, 69192), (2883, 68856), (3534, 56172), (3624, 54777), (3844, 51642), (4681, 42408), (4712, 42129), (5301, 37448), (5436, 36518), (5738, 34596), (5766, 34428), (7068, 28086), (7688, 25821), (8607, 23064), (8649, 22952), (9362, 21204), (10602, 18724), (10872, 18259), (11476, 17298), (11532, 17214), (14043, 14136)]