19183775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 26029584

約数和(自身を除く): 6845809

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 881, 1675, 4355, 4405, 11453, 21775, 22025, 57265, 59027, 286325, 295135, 767351, 1475675, 3836755, 19183775]

約数ペア:

[(1, 19183775), (5, 3836755), (13, 1475675), (25, 767351), (65, 295135), (67, 286325), (325, 59027), (335, 57265), (871, 22025), (881, 21775), (1675, 11453), (4355, 4405)]