18678804945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{266023}}^1$

素因数の和:266213

約数の個数: 32

約数和(自身を含む): 31054577664

約数和(自身を除く): 12375772719

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 453, 465, 755, 2265, 4681, 14043, 23405, 70215, 266023, 798069, 1330115, 3990345, 8246713, 24740139, 40169473, 41233565, 120508419, 123700695, 200847365, 602542095, 1245253663, 3735760989, 6226268315, 18678804945]

約数ペア:

[(1, 18678804945), (3, 6226268315), (5, 3735760989), (15, 1245253663), (31, 602542095), (93, 200847365), (151, 123700695), (155, 120508419), (453, 41233565), (465, 40169473), (755, 24740139), (2265, 8246713), (4681, 3990345), (14043, 1330115), (23405, 798069), (70215, 266023)]