18660728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 37510560

約数和(自身を除く): 18849832

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 296, 851, 1702, 2741, 3404, 5482, 6808, 10964, 21928, 63043, 101417, 126086, 202834, 252172, 405668, 504344, 811336, 2332591, 4665182, 9330364, 18660728]

約数ペア:

[(1, 18660728), (2, 9330364), (4, 4665182), (8, 2332591), (23, 811336), (37, 504344), (46, 405668), (74, 252172), (92, 202834), (148, 126086), (184, 101417), (296, 63043), (851, 21928), (1702, 10964), (2741, 6808), (3404, 5482)]