17998218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 48

約数和(自身を含む): 45130176

約数和(自身を除く): 27131958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1721, 1743, 3442, 3486, 5163, 5229, 10326, 10458, 12047, 15489, 24094, 30978, 36141, 72282, 108423, 142843, 216846, 285686, 428529, 857058, 999901, 1285587, 1999802, 2571174, 2999703, 5999406, 8999109, 17998218]

約数ペア:

[(1, 17998218), (2, 8999109), (3, 5999406), (6, 2999703), (7, 2571174), (9, 1999802), (14, 1285587), (18, 999901), (21, 857058), (42, 428529), (63, 285686), (83, 216846), (126, 142843), (166, 108423), (249, 72282), (498, 36141), (581, 30978), (747, 24094), (1162, 15489), (1494, 12047), (1721, 10458), (1743, 10326), (3442, 5229), (3486, 5163)]