19740945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 36299520

約数和(自身を除く): 16558575

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 821, 1145, 1603, 2463, 3435, 4105, 4809, 5747, 8015, 12315, 17241, 24045, 28735, 86205, 188009, 564027, 940045, 1316063, 2820135, 3948189, 6580315, 19740945]

約数ペア:

[(1, 19740945), (3, 6580315), (5, 3948189), (7, 2820135), (15, 1316063), (21, 940045), (35, 564027), (105, 188009), (229, 86205), (687, 28735), (821, 24045), (1145, 17241), (1603, 12315), (2463, 8015), (3435, 5747), (4105, 4809)]