19802614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13743626

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 311, 403, 622, 806, 1027, 2054, 2449, 4043, 4898, 8086, 9641, 19282, 24569, 31837, 49138, 63674, 125333, 250666, 319397, 638794, 761639, 1523278, 9901307, 19802614]

約数ペア:

[(1, 19802614), (2, 9901307), (13, 1523278), (26, 761639), (31, 638794), (62, 319397), (79, 250666), (158, 125333), (311, 63674), (403, 49138), (622, 31837), (806, 24569), (1027, 19282), (2054, 9641), (2449, 8086), (4043, 4898)]