19899798

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 41095296

約数和(自身を除く): 21195498

約数列:

[1, 2, 3, 6, 43, 86, 129, 137, 258, 274, 411, 563, 822, 1126, 1689, 3378, 5891, 11782, 17673, 24209, 35346, 48418, 72627, 77131, 145254, 154262, 231393, 462786, 3316633, 6633266, 9949899, 19899798]

約数ペア:

[(1, 19899798), (2, 9949899), (3, 6633266), (6, 3316633), (43, 462786), (86, 231393), (129, 154262), (137, 145254), (258, 77131), (274, 72627), (411, 48418), (563, 35346), (822, 24209), (1126, 17673), (1689, 11782), (3378, 5891)]