18612378

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 41801760

約数和(自身を除く): 23189382

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 173, 258, 278, 346, 387, 417, 519, 774, 834, 1038, 1251, 1557, 2502, 3114, 5977, 7439, 11954, 14878, 17931, 22317, 24047, 35862, 44634, 48094, 53793, 66951, 72141, 107586, 133902, 144282, 216423, 432846, 1034021, 2068042, 3102063, 6204126, 9306189, 18612378]

約数ペア:

[(1, 18612378), (2, 9306189), (3, 6204126), (6, 3102063), (9, 2068042), (18, 1034021), (43, 432846), (86, 216423), (129, 144282), (139, 133902), (173, 107586), (258, 72141), (278, 66951), (346, 53793), (387, 48094), (417, 44634), (519, 35862), (774, 24047), (834, 22317), (1038, 17931), (1251, 14878), (1557, 11954), (2502, 7439), (3114, 5977)]