19974210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{823}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 48055680

約数和(自身を除く): 28081470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 809, 823, 1618, 1646, 2427, 2469, 4045, 4115, 4854, 4938, 8090, 8230, 12135, 12345, 24270, 24690, 665807, 1331614, 1997421, 3329035, 3994842, 6658070, 9987105, 19974210]

約数ペア:

[(1, 19974210), (2, 9987105), (3, 6658070), (5, 3994842), (6, 3329035), (10, 1997421), (15, 1331614), (30, 665807), (809, 24690), (823, 24270), (1618, 12345), (1646, 12135), (2427, 8230), (2469, 8090), (4045, 4938), (4115, 4854)]