18109736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 35954400

約数和(自身を除く): 17844664

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 283, 421, 566, 842, 1132, 1684, 2264, 3368, 5377, 7999, 10754, 15998, 21508, 31996, 43016, 63992, 119143, 238286, 476572, 953144, 2263717, 4527434, 9054868, 18109736]

約数ペア:

[(1, 18109736), (2, 9054868), (4, 4527434), (8, 2263717), (19, 953144), (38, 476572), (76, 238286), (152, 119143), (283, 63992), (421, 43016), (566, 31996), (842, 21508), (1132, 15998), (1684, 10754), (2264, 7999), (3368, 5377)]