19431566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 20312434

約数列:

[1, 2, 7, 11, 14, 19, 22, 29, 38, 58, 77, 133, 154, 203, 209, 229, 266, 319, 406, 418, 458, 551, 638, 1102, 1463, 1603, 2233, 2519, 2926, 3206, 3857, 4351, 4466, 5038, 6061, 6641, 7714, 8702, 12122, 13282, 17633, 30457, 35266, 42427, 46487, 47861, 60914, 73051, 84854, 92974, 95722, 126179, 146102, 252358, 335027, 511357, 670054, 883253, 1022714, 1387969, 1766506, 2775938, 9715783, 19431566]

約数ペア:

[(1, 19431566), (2, 9715783), (7, 2775938), (11, 1766506), (14, 1387969), (19, 1022714), (22, 883253), (29, 670054), (38, 511357), (58, 335027), (77, 252358), (133, 146102), (154, 126179), (203, 95722), (209, 92974), (229, 84854), (266, 73051), (319, 60914), (406, 47861), (418, 46487), (458, 42427), (551, 35266), (638, 30457), (1102, 17633), (1463, 13282), (1603, 12122), (2233, 8702), (2519, 7714), (2926, 6641), (3206, 6061), (3857, 5038), (4351, 4466)]