18235780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 23132540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1367, 2668, 2734, 3335, 5468, 6670, 6835, 13340, 13670, 27340, 31441, 39643, 62882, 79286, 125764, 157205, 158572, 198215, 314410, 396430, 628820, 792860, 911789, 1823578, 3647156, 4558945, 9117890, 18235780]

約数ペア:

[(1, 18235780), (2, 9117890), (4, 4558945), (5, 3647156), (10, 1823578), (20, 911789), (23, 792860), (29, 628820), (46, 396430), (58, 314410), (92, 198215), (115, 158572), (116, 157205), (145, 125764), (230, 79286), (290, 62882), (460, 39643), (580, 31441), (667, 27340), (1334, 13670), (1367, 13340), (2668, 6835), (2734, 6670), (3335, 5468)]