19769840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6679}}^1$

素因数の和:6729

約数の個数: 40

約数和(自身を含む): 47214240

約数和(自身を除く): 27444400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6679, 13358, 26716, 33395, 53432, 66790, 106864, 133580, 247123, 267160, 494246, 534320, 988492, 1235615, 1976984, 2471230, 3953968, 4942460, 9884920, 19769840]

約数ペア:

[(1, 19769840), (2, 9884920), (4, 4942460), (5, 3953968), (8, 2471230), (10, 1976984), (16, 1235615), (20, 988492), (37, 534320), (40, 494246), (74, 267160), (80, 247123), (148, 133580), (185, 106864), (296, 66790), (370, 53432), (592, 33395), (740, 26716), (1480, 13358), (2960, 6679)]