17991630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4705

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 29884770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4649, 9298, 13947, 23245, 27894, 41841, 46490, 69735, 83682, 139470, 199907, 209205, 399814, 418410, 599721, 999535, 1199442, 1799163, 1999070, 2998605, 3598326, 5997210, 8995815, 17991630]

約数ペア:

[(1, 17991630), (2, 8995815), (3, 5997210), (5, 3598326), (6, 2998605), (9, 1999070), (10, 1799163), (15, 1199442), (18, 999535), (30, 599721), (43, 418410), (45, 399814), (86, 209205), (90, 199907), (129, 139470), (215, 83682), (258, 69735), (387, 46490), (430, 41841), (645, 27894), (774, 23245), (1290, 13947), (1935, 9298), (3870, 4649)]