19813326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 42850080

約数和(自身を除く): 23036754

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 653, 778, 1167, 1306, 1959, 2334, 3918, 5057, 8489, 10114, 15171, 16978, 25467, 30342, 50934, 254017, 508034, 762051, 1524102, 3302221, 6604442, 9906663, 19813326]

約数ペア:

[(1, 19813326), (2, 9906663), (3, 6604442), (6, 3302221), (13, 1524102), (26, 762051), (39, 508034), (78, 254017), (389, 50934), (653, 30342), (778, 25467), (1167, 16978), (1306, 15171), (1959, 10114), (2334, 8489), (3918, 5057)]