1916915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 3096576

約数和(自身を除く): 1179661

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 383, 385, 455, 715, 1001, 1915, 2681, 4213, 4979, 5005, 13405, 21065, 24895, 29491, 34853, 54769, 147455, 174265, 273845, 383383, 1916915]

約数ペア:

[(1, 1916915), (5, 383383), (7, 273845), (11, 174265), (13, 147455), (35, 54769), (55, 34853), (65, 29491), (77, 24895), (91, 21065), (143, 13405), (383, 5005), (385, 4979), (455, 4213), (715, 2681), (1001, 1915)]