20187538

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2674

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 17511662

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2617, 3857, 5234, 7714, 18319, 36638, 49723, 75893, 99446, 151786, 348061, 531251, 696122, 1062502, 1441967, 2883934, 10093769, 20187538]

約数ペア:

[(1, 20187538), (2, 10093769), (7, 2883934), (14, 1441967), (19, 1062502), (29, 696122), (38, 531251), (58, 348061), (133, 151786), (203, 99446), (266, 75893), (406, 49723), (551, 36638), (1102, 18319), (2617, 7714), (3857, 5234)]