19645857531

素因数分解:

$3^4\times {\mathrm{6977}}^1\times {\mathrm{34763}}^1$

素因数の和:41752

約数の個数: 20

約数和(自身を含む): 29352566232

約数和(自身を除く): 9706708701

約数列:

[1, 3, 9, 27, 81, 6977, 20931, 34763, 62793, 104289, 188379, 312867, 565137, 938601, 2815803, 242541451, 727624353, 2182873059, 6548619177, 19645857531]

約数ペア:

[(1, 19645857531), (3, 6548619177), (9, 2182873059), (27, 727624353), (81, 242541451), (6977, 2815803), (20931, 938601), (34763, 565137), (62793, 312867), (104289, 188379)]