18179330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 36681984

約数和(自身を除く): 18502654

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 347, 403, 694, 806, 845, 1690, 1735, 2015, 3470, 4030, 4511, 5239, 9022, 10478, 10757, 21514, 22555, 26195, 45110, 52390, 53785, 58643, 107570, 117286, 139841, 279682, 293215, 586430, 699205, 1398410, 1817933, 3635866, 9089665, 18179330]

約数ペア:

[(1, 18179330), (2, 9089665), (5, 3635866), (10, 1817933), (13, 1398410), (26, 699205), (31, 586430), (62, 293215), (65, 279682), (130, 139841), (155, 117286), (169, 107570), (310, 58643), (338, 53785), (347, 52390), (403, 45110), (694, 26195), (806, 22555), (845, 21514), (1690, 10757), (1735, 10478), (2015, 9022), (3470, 5239), (4030, 4511)]