19995510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28979}}^1$

素因数の和:29012

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 30081930

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28979, 57958, 86937, 144895, 173874, 289790, 434685, 666517, 869370, 1333034, 1999551, 3332585, 3999102, 6665170, 9997755, 19995510]

約数ペア:

[(1, 19995510), (2, 9997755), (3, 6665170), (5, 3999102), (6, 3332585), (10, 1999551), (15, 1333034), (23, 869370), (30, 666517), (46, 434685), (69, 289790), (115, 173874), (138, 144895), (230, 86937), (345, 57958), (690, 28979)]