18516230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 36471600

約数和(自身を除く): 17955370

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 149, 170, 215, 289, 298, 430, 578, 731, 745, 1445, 1462, 1490, 2533, 2890, 3655, 5066, 6407, 7310, 12427, 12665, 12814, 24854, 25330, 32035, 43061, 62135, 64070, 86122, 108919, 124270, 215305, 217838, 430610, 544595, 1089190, 1851623, 3703246, 9258115, 18516230]

約数ペア:

[(1, 18516230), (2, 9258115), (5, 3703246), (10, 1851623), (17, 1089190), (34, 544595), (43, 430610), (85, 217838), (86, 215305), (149, 124270), (170, 108919), (215, 86122), (289, 64070), (298, 62135), (430, 43061), (578, 32035), (731, 25330), (745, 24854), (1445, 12814), (1462, 12665), (1490, 12427), (2533, 7310), (2890, 6407), (3655, 5066)]