19892355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8237}}^1$

素因数の和:8275

約数の個数: 32

約数和(自身を含む): 37960704

約数和(自身を除く): 18068349

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8237, 24711, 41185, 57659, 123555, 172977, 189451, 288295, 568353, 864885, 947255, 1326157, 2841765, 3978471, 6630785, 19892355]

約数ペア:

[(1, 19892355), (3, 6630785), (5, 3978471), (7, 2841765), (15, 1326157), (21, 947255), (23, 864885), (35, 568353), (69, 288295), (105, 189451), (115, 172977), (161, 123555), (345, 57659), (483, 41185), (805, 24711), (2415, 8237)]