18219819093

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1\times {\mathrm{12583}}^1$

素因数の和:12822

約数の個数: 48

約数和(自身を含む): 29457432576

約数和(自身を除く): 11237613483

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 361, 399, 573, 1083, 1337, 2527, 3629, 4011, 7581, 10887, 12583, 25403, 37749, 68951, 76209, 88081, 206853, 239077, 264243, 482657, 717231, 1447971, 1673539, 2403353, 4542463, 5020617, 7210059, 13627389, 16823471, 31797241, 45663707, 50470413, 95391723, 136991121, 319645949, 867610433, 958937847, 2602831299, 6073273031, 18219819093]

約数ペア:

[(1, 18219819093), (3, 6073273031), (7, 2602831299), (19, 958937847), (21, 867610433), (57, 319645949), (133, 136991121), (191, 95391723), (361, 50470413), (399, 45663707), (573, 31797241), (1083, 16823471), (1337, 13627389), (2527, 7210059), (3629, 5020617), (4011, 4542463), (7581, 2403353), (10887, 1673539), (12583, 1447971), (25403, 717231), (37749, 482657), (68951, 264243), (76209, 239077), (88081, 206853)]