19457700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 57079680

約数和(自身を除く): 37621980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 821, 948, 1185, 1580, 1642, 1975, 2370, 2463, 3284, 3950, 4105, 4740, 4926, 5925, 7900, 8210, 9852, 11850, 12315, 16420, 20525, 23700, 24630, 41050, 49260, 61575, 64859, 82100, 123150, 129718, 194577, 246300, 259436, 324295, 389154, 648590, 778308, 972885, 1297180, 1621475, 1945770, 3242950, 3891540, 4864425, 6485900, 9728850, 19457700]

約数ペア:

[(1, 19457700), (2, 9728850), (3, 6485900), (4, 4864425), (5, 3891540), (6, 3242950), (10, 1945770), (12, 1621475), (15, 1297180), (20, 972885), (25, 778308), (30, 648590), (50, 389154), (60, 324295), (75, 259436), (79, 246300), (100, 194577), (150, 129718), (158, 123150), (237, 82100), (300, 64859), (316, 61575), (395, 49260), (474, 41050), (790, 24630), (821, 23700), (948, 20525), (1185, 16420), (1580, 12315), (1642, 11850), (1975, 9852), (2370, 8210), (2463, 7900), (3284, 5925), (3950, 4926), (4105, 4740)]