19781112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{4877}}^1$

素因数の和:4912

約数の個数: 48

約数和(自身を含む): 53560440

約数和(自身を除く): 33779328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 4877, 9754, 14631, 19508, 29262, 39016, 58524, 63401, 117048, 126802, 190203, 253604, 380406, 507208, 760812, 824213, 1521624, 1648426, 2472639, 3296852, 4945278, 6593704, 9890556, 19781112]

約数ペア:

[(1, 19781112), (2, 9890556), (3, 6593704), (4, 4945278), (6, 3296852), (8, 2472639), (12, 1648426), (13, 1521624), (24, 824213), (26, 760812), (39, 507208), (52, 380406), (78, 253604), (104, 190203), (156, 126802), (169, 117048), (312, 63401), (338, 58524), (507, 39016), (676, 29262), (1014, 19508), (1352, 14631), (2028, 9754), (4056, 4877)]