19398535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 7273145

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 251, 377, 533, 1189, 1255, 1885, 2665, 3263, 5945, 7279, 10291, 15457, 16315, 36395, 51455, 77285, 94627, 133783, 298439, 473135, 668915, 1492195, 3879707, 19398535]

約数ペア:

[(1, 19398535), (5, 3879707), (13, 1492195), (29, 668915), (41, 473135), (65, 298439), (145, 133783), (205, 94627), (251, 77285), (377, 51455), (533, 36395), (1189, 16315), (1255, 15457), (1885, 10291), (2665, 7279), (3263, 5945)]