19270540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 41846112

約数和(自身を除く): 22575572

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 197, 268, 292, 335, 365, 394, 670, 730, 788, 985, 1340, 1460, 1970, 3940, 4891, 9782, 13199, 14381, 19564, 24455, 26398, 28762, 48910, 52796, 57524, 65995, 71905, 97820, 131990, 143810, 263980, 287620, 963527, 1927054, 3854108, 4817635, 9635270, 19270540]

約数ペア:

[(1, 19270540), (2, 9635270), (4, 4817635), (5, 3854108), (10, 1927054), (20, 963527), (67, 287620), (73, 263980), (134, 143810), (146, 131990), (197, 97820), (268, 71905), (292, 65995), (335, 57524), (365, 52796), (394, 48910), (670, 28762), (730, 26398), (788, 24455), (985, 19564), (1340, 14381), (1460, 13199), (1970, 9782), (3940, 4891)]