18720479742

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{918481}}^1$

素因数の和:918608

約数の個数: 32

約数和(自身を含む): 38796679680

約数和(自身を除く): 20076199938

約数列:

[1, 2, 3, 6, 43, 79, 86, 129, 158, 237, 258, 474, 3397, 6794, 10191, 20382, 918481, 1836962, 2755443, 5510886, 39494683, 72559999, 78989366, 118484049, 145119998, 217679997, 236968098, 435359994, 3120079957, 6240159914, 9360239871, 18720479742]

約数ペア:

[(1, 18720479742), (2, 9360239871), (3, 6240159914), (6, 3120079957), (43, 435359994), (79, 236968098), (86, 217679997), (129, 145119998), (158, 118484049), (237, 78989366), (258, 72559999), (474, 39494683), (3397, 5510886), (6794, 2755443), (10191, 1836962), (20382, 918481)]