19507060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 23457932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 431, 620, 730, 862, 1460, 1724, 2155, 2263, 4310, 4526, 8620, 9052, 11315, 13361, 22630, 26722, 31463, 45260, 53444, 62926, 66805, 125852, 133610, 157315, 267220, 314630, 629260, 975353, 1950706, 3901412, 4876765, 9753530, 19507060]

約数ペア:

[(1, 19507060), (2, 9753530), (4, 4876765), (5, 3901412), (10, 1950706), (20, 975353), (31, 629260), (62, 314630), (73, 267220), (124, 157315), (146, 133610), (155, 125852), (292, 66805), (310, 62926), (365, 53444), (431, 45260), (620, 31463), (730, 26722), (862, 22630), (1460, 13361), (1724, 11315), (2155, 9052), (2263, 8620), (4310, 4526)]