19845885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14022915

約数列:

[1, 3, 5, 15, 17, 51, 85, 223, 255, 349, 669, 1047, 1115, 1745, 3345, 3791, 5235, 5933, 11373, 17799, 18955, 29665, 56865, 77827, 88995, 233481, 389135, 1167405, 1323059, 3969177, 6615295, 19845885]

約数ペア:

[(1, 19845885), (3, 6615295), (5, 3969177), (15, 1323059), (17, 1167405), (51, 389135), (85, 233481), (223, 88995), (255, 77827), (349, 56865), (669, 29665), (1047, 18955), (1115, 17799), (1745, 11373), (3345, 5933), (3791, 5235)]