18823623

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 32772096

約数和(自身を除く): 13948473

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 191, 247, 273, 361, 399, 573, 741, 1083, 1337, 1729, 2483, 2527, 3629, 4011, 4693, 5187, 7449, 7581, 10887, 14079, 17381, 25403, 32851, 47177, 52143, 68951, 76209, 98553, 141531, 206853, 330239, 482657, 896363, 990717, 1447971, 2689089, 6274541, 18823623]

約数ペア:

[(1, 18823623), (3, 6274541), (7, 2689089), (13, 1447971), (19, 990717), (21, 896363), (39, 482657), (57, 330239), (91, 206853), (133, 141531), (191, 98553), (247, 76209), (273, 68951), (361, 52143), (399, 47177), (573, 32851), (741, 25403), (1083, 17381), (1337, 14079), (1729, 10887), (2483, 7581), (2527, 7449), (3629, 5187), (4011, 4693)]