18881396

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 34266120

約数和(自身を除く): 15384724

約数列:

[1, 2, 4, 37, 74, 113, 148, 226, 452, 1129, 2258, 4181, 4516, 8362, 16724, 41773, 83546, 127577, 167092, 255154, 510308, 4720349, 9440698, 18881396]

約数ペア:

[(1, 18881396), (2, 9440698), (4, 4720349), (37, 510308), (74, 255154), (113, 167092), (148, 127577), (226, 83546), (452, 41773), (1129, 16724), (2258, 8362), (4181, 4516)]