19775417855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{22123}}^1$

素因数の和:22311

約数の個数: 32

約数和(自身を含む): 25147023360

約数和(自身を除く): 5371605505

約数列:

[1, 5, 31, 73, 79, 155, 365, 395, 2263, 2449, 5767, 11315, 12245, 22123, 28835, 110615, 178777, 685813, 893885, 1614979, 1747717, 3429065, 8074895, 8738585, 50064349, 54179227, 127583341, 250321745, 270896135, 637916705, 3955083571, 19775417855]

約数ペア:

[(1, 19775417855), (5, 3955083571), (31, 637916705), (73, 270896135), (79, 250321745), (155, 127583341), (365, 54179227), (395, 50064349), (2263, 8738585), (2449, 8074895), (5767, 3429065), (11315, 1747717), (12245, 1614979), (22123, 893885), (28835, 685813), (110615, 178777)]