18406910

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 34134912

約数和(自身を除く): 15728002

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 331, 335, 415, 662, 670, 830, 1655, 3310, 5561, 11122, 22177, 27473, 27805, 44354, 54946, 55610, 110885, 137365, 221770, 274730, 1840691, 3681382, 9203455, 18406910]

約数ペア:

[(1, 18406910), (2, 9203455), (5, 3681382), (10, 1840691), (67, 274730), (83, 221770), (134, 137365), (166, 110885), (331, 55610), (335, 54946), (415, 44354), (662, 27805), (670, 27473), (830, 22177), (1655, 11122), (3310, 5561)]