19693210

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 36683280

約数和(自身を除く): 16990070

約数列:

[1, 2, 5, 10, 53, 73, 106, 146, 265, 365, 509, 530, 730, 1018, 2545, 3869, 5090, 7738, 19345, 26977, 37157, 38690, 53954, 74314, 134885, 185785, 269770, 371570, 1969321, 3938642, 9846605, 19693210]

約数ペア:

[(1, 19693210), (2, 9846605), (5, 3938642), (10, 1969321), (53, 371570), (73, 269770), (106, 185785), (146, 134885), (265, 74314), (365, 53954), (509, 38690), (530, 37157), (730, 26977), (1018, 19345), (2545, 7738), (3869, 5090)]