19907745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9281}}^1$

素因数の和:9313

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 17517279

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9281, 27843, 46405, 102091, 120653, 139215, 306273, 361959, 510455, 603265, 1327183, 1531365, 1809795, 3981549, 6635915, 19907745]

約数ペア:

[(1, 19907745), (3, 6635915), (5, 3981549), (11, 1809795), (13, 1531365), (15, 1327183), (33, 603265), (39, 510455), (55, 361959), (65, 306273), (143, 139215), (165, 120653), (195, 102091), (429, 46405), (715, 27843), (2145, 9281)]