18489570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 49572864

約数和(自身を除く): 31083294

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1303, 1419, 2365, 2606, 2838, 3909, 4730, 6515, 7095, 7818, 13030, 14190, 14333, 19545, 28666, 39090, 42999, 56029, 71665, 85998, 112058, 143330, 168087, 214995, 280145, 336174, 429990, 560290, 616319, 840435, 1232638, 1680870, 1848957, 3081595, 3697914, 6163190, 9244785, 18489570]

約数ペア:

[(1, 18489570), (2, 9244785), (3, 6163190), (5, 3697914), (6, 3081595), (10, 1848957), (11, 1680870), (15, 1232638), (22, 840435), (30, 616319), (33, 560290), (43, 429990), (55, 336174), (66, 280145), (86, 214995), (110, 168087), (129, 143330), (165, 112058), (215, 85998), (258, 71665), (330, 56029), (430, 42999), (473, 39090), (645, 28666), (946, 19545), (1290, 14333), (1303, 14190), (1419, 13030), (2365, 7818), (2606, 7095), (2838, 6515), (3909, 4730)]