19808536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13241}}^1$

素因数の和:13275

約数の個数: 32

約数和(自身を含む): 42904080

約数和(自身を除く): 23095544

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13241, 26482, 52964, 105928, 145651, 225097, 291302, 450194, 582604, 900388, 1165208, 1800776, 2476067, 4952134, 9904268, 19808536]

約数ペア:

[(1, 19808536), (2, 9904268), (4, 4952134), (8, 2476067), (11, 1800776), (17, 1165208), (22, 900388), (34, 582604), (44, 450194), (68, 291302), (88, 225097), (136, 145651), (187, 105928), (374, 52964), (748, 26482), (1496, 13241)]