19609928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 39882360

約数和(自身を除く): 20272432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1201, 1256, 2041, 2402, 4082, 4804, 8164, 9608, 15613, 16328, 31226, 62452, 124904, 188557, 377114, 754228, 1508456, 2451241, 4902482, 9804964, 19609928]

約数ペア:

[(1, 19609928), (2, 9804964), (4, 4902482), (8, 2451241), (13, 1508456), (26, 754228), (52, 377114), (104, 188557), (157, 124904), (314, 62452), (628, 31226), (1201, 16328), (1256, 15613), (2041, 9608), (2402, 8164), (4082, 4804)]