18283360

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 43470000

約数和(自身を除く): 25186640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 499, 916, 998, 1145, 1832, 1996, 2290, 2495, 3664, 3992, 4580, 4990, 7328, 7984, 9160, 9980, 15968, 18320, 19960, 36640, 39920, 79840, 114271, 228542, 457084, 571355, 914168, 1142710, 1828336, 2285420, 3656672, 4570840, 9141680, 18283360]

約数ペア:

[(1, 18283360), (2, 9141680), (4, 4570840), (5, 3656672), (8, 2285420), (10, 1828336), (16, 1142710), (20, 914168), (32, 571355), (40, 457084), (80, 228542), (160, 114271), (229, 79840), (458, 39920), (499, 36640), (916, 19960), (998, 18320), (1145, 15968), (1832, 9980), (1996, 9160), (2290, 7984), (2495, 7328), (3664, 4990), (3992, 4580)]