18753228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 56753760

約数和(自身を除く): 38000532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 37, 38, 39, 52, 54, 57, 74, 76, 78, 108, 111, 114, 117, 148, 156, 171, 222, 228, 234, 247, 333, 342, 351, 361, 444, 468, 481, 494, 513, 666, 684, 702, 703, 722, 741, 962, 988, 999, 1026, 1083, 1332, 1404, 1406, 1443, 1444, 1482, 1924, 1998, 2052, 2109, 2166, 2223, 2812, 2886, 2964, 3249, 3996, 4218, 4329, 4332, 4446, 4693, 5772, 6327, 6498, 6669, 8436, 8658, 8892, 9139, 9386, 9747, 12654, 12987, 12996, 13338, 13357, 14079, 17316, 18278, 18772, 18981, 19494, 25308, 25974, 26676, 26714, 27417, 28158, 36556, 37962, 38988, 40071, 42237, 51948, 53428, 54834, 56316, 75924, 80142, 82251, 84474, 109668, 120213, 126711, 160284, 164502, 168948, 173641, 240426, 246753, 253422, 329004, 347282, 360639, 480852, 493506, 506844, 520923, 694564, 721278, 987012, 1041846, 1442556, 1562769, 2083692, 3125538, 4688307, 6251076, 9376614, 18753228]

約数ペア:

[(1, 18753228), (2, 9376614), (3, 6251076), (4, 4688307), (6, 3125538), (9, 2083692), (12, 1562769), (13, 1442556), (18, 1041846), (19, 987012), (26, 721278), (27, 694564), (36, 520923), (37, 506844), (38, 493506), (39, 480852), (52, 360639), (54, 347282), (57, 329004), (74, 253422), (76, 246753), (78, 240426), (108, 173641), (111, 168948), (114, 164502), (117, 160284), (148, 126711), (156, 120213), (171, 109668), (222, 84474), (228, 82251), (234, 80142), (247, 75924), (333, 56316), (342, 54834), (351, 53428), (361, 51948), (444, 42237), (468, 40071), (481, 38988), (494, 37962), (513, 36556), (666, 28158), (684, 27417), (702, 26714), (703, 26676), (722, 25974), (741, 25308), (962, 19494), (988, 18981), (999, 18772), (1026, 18278), (1083, 17316), (1332, 14079), (1404, 13357), (1406, 13338), (1443, 12996), (1444, 12987), (1482, 12654), (1924, 9747), (1998, 9386), (2052, 9139), (2109, 8892), (2166, 8658), (2223, 8436), (2812, 6669), (2886, 6498), (2964, 6327), (3249, 5772), (3996, 4693), (4218, 4446), (4329, 4332)]