12992390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 25511760

約数和(自身を除く): 12519370

約数列:

[1, 2, 5, 10, 19, 38, 59, 61, 95, 118, 122, 190, 295, 305, 361, 590, 610, 722, 1121, 1159, 1805, 2242, 2318, 3599, 3610, 5605, 5795, 7198, 11210, 11590, 17995, 21299, 22021, 35990, 42598, 44042, 68381, 106495, 110105, 136762, 212990, 220210, 341905, 683810, 1299239, 2598478, 6496195, 12992390]

約数ペア:

[(1, 12992390), (2, 6496195), (5, 2598478), (10, 1299239), (19, 683810), (38, 341905), (59, 220210), (61, 212990), (95, 136762), (118, 110105), (122, 106495), (190, 68381), (295, 44042), (305, 42598), (361, 35990), (590, 22021), (610, 21299), (722, 17995), (1121, 11590), (1159, 11210), (1805, 7198), (2242, 5795), (2318, 5605), (3599, 3610)]