19131240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 38748120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1217, 1310, 1572, 1965, 2434, 2620, 3144, 3651, 3930, 4868, 5240, 6085, 7302, 7860, 9736, 12170, 14604, 15720, 18255, 24340, 29208, 36510, 48680, 73020, 146040, 159427, 318854, 478281, 637708, 797135, 956562, 1275416, 1594270, 1913124, 2391405, 3188540, 3826248, 4782810, 6377080, 9565620, 19131240]

約数ペア:

[(1, 19131240), (2, 9565620), (3, 6377080), (4, 4782810), (5, 3826248), (6, 3188540), (8, 2391405), (10, 1913124), (12, 1594270), (15, 1275416), (20, 956562), (24, 797135), (30, 637708), (40, 478281), (60, 318854), (120, 159427), (131, 146040), (262, 73020), (393, 48680), (524, 36510), (655, 29208), (786, 24340), (1048, 18255), (1217, 15720), (1310, 14604), (1572, 12170), (1965, 9736), (2434, 7860), (2620, 7302), (3144, 6085), (3651, 5240), (3930, 4868)]