18659948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 34845552

約数和(自身を除く): 16185604

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2003, 2329, 4006, 4658, 8012, 9316, 34051, 68102, 136204, 274411, 548822, 1097644, 4664987, 9329974, 18659948]

約数ペア:

[(1, 18659948), (2, 9329974), (4, 4664987), (17, 1097644), (34, 548822), (68, 274411), (137, 136204), (274, 68102), (548, 34051), (2003, 9316), (2329, 8012), (4006, 4658)]