18161226

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 43929600

約数和(自身を除く): 25768374

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 513, 558, 571, 589, 837, 1026, 1142, 1178, 1674, 1713, 1767, 3426, 3534, 5139, 5301, 10278, 10602, 10849, 15417, 15903, 17701, 21698, 30834, 31806, 32547, 35402, 53103, 65094, 97641, 106206, 159309, 195282, 292923, 318618, 336319, 477927, 585846, 672638, 955854, 1008957, 2017914, 3026871, 6053742, 9080613, 18161226]

約数ペア:

[(1, 18161226), (2, 9080613), (3, 6053742), (6, 3026871), (9, 2017914), (18, 1008957), (19, 955854), (27, 672638), (31, 585846), (38, 477927), (54, 336319), (57, 318618), (62, 292923), (93, 195282), (114, 159309), (171, 106206), (186, 97641), (279, 65094), (342, 53103), (513, 35402), (558, 32547), (571, 31806), (589, 30834), (837, 21698), (1026, 17701), (1142, 15903), (1178, 15417), (1674, 10849), (1713, 10602), (1767, 10278), (3426, 5301), (3534, 5139)]