19797645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 16570995

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 409, 461, 1227, 1383, 2045, 2305, 2863, 3227, 6135, 6915, 8589, 9681, 14315, 16135, 42945, 48405, 188549, 565647, 942745, 1319843, 2828235, 3959529, 6599215, 19797645]

約数ペア:

[(1, 19797645), (3, 6599215), (5, 3959529), (7, 2828235), (15, 1319843), (21, 942745), (35, 565647), (105, 188549), (409, 48405), (461, 42945), (1227, 16135), (1383, 14315), (2045, 9681), (2305, 8589), (2863, 6915), (3227, 6135)]