19070325

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 34471008

約数和(自身を除く): 15400683

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 647, 655, 1179, 1941, 1965, 3235, 3275, 5823, 5895, 9705, 9825, 16175, 29115, 29475, 48525, 84757, 145575, 254271, 423785, 762813, 1271355, 2118925, 3814065, 6356775, 19070325]

約数ペア:

[(1, 19070325), (3, 6356775), (5, 3814065), (9, 2118925), (15, 1271355), (25, 762813), (45, 423785), (75, 254271), (131, 145575), (225, 84757), (393, 48525), (647, 29475), (655, 29115), (1179, 16175), (1941, 9825), (1965, 9705), (3235, 5895), (3275, 5823)]