19560489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 30086784

約数和(自身を除く): 10526295

約数列:

[1, 3, 13, 17, 39, 51, 163, 181, 221, 489, 543, 663, 2119, 2353, 2771, 3077, 6357, 7059, 8313, 9231, 29503, 36023, 40001, 88509, 108069, 120003, 383539, 501551, 1150617, 1504653, 6520163, 19560489]

約数ペア:

[(1, 19560489), (3, 6520163), (13, 1504653), (17, 1150617), (39, 501551), (51, 383539), (163, 120003), (181, 108069), (221, 88509), (489, 40001), (543, 36023), (663, 29503), (2119, 9231), (2353, 8313), (2771, 7059), (3077, 6357)]