19751108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20027

約数の個数: 24

約数和(自身を含む): 39184320

約数和(自身を除く): 19433212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19991, 39982, 79964, 259883, 379829, 519766, 759658, 1039532, 1519316, 4937777, 9875554, 19751108]

約数ペア:

[(1, 19751108), (2, 9875554), (4, 4937777), (13, 1519316), (19, 1039532), (26, 759658), (38, 519766), (52, 379829), (76, 259883), (247, 79964), (494, 39982), (988, 19991)]