19760455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 28848960

約数和(自身を除く): 9088505

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 953, 1595, 1885, 4147, 4765, 10483, 12389, 20735, 27637, 52415, 61945, 136279, 138185, 304007, 359281, 681395, 1520035, 1796405, 3952091, 19760455]

約数ペア:

[(1, 19760455), (5, 3952091), (11, 1796405), (13, 1520035), (29, 681395), (55, 359281), (65, 304007), (143, 138185), (145, 136279), (319, 61945), (377, 52415), (715, 27637), (953, 20735), (1595, 12389), (1885, 10483), (4147, 4765)]