19165478

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 29261520

約数和(自身を除く): 10096042

約数列:

[1, 2, 113, 137, 226, 274, 619, 1238, 15481, 30962, 69947, 84803, 139894, 169606, 9582739, 19165478]

約数ペア:

[(1, 19165478), (2, 9582739), (113, 169606), (137, 139894), (226, 84803), (274, 69947), (619, 30962), (1238, 15481)]