19974635518

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1\times {\mathrm{5227}}^1$

素因数の和:5836

約数の個数: 32

約数和(自身を含む): 31117934304

約数和(自身を除く): 11143298786

約数列:

[1, 2, 37, 74, 113, 226, 457, 914, 4181, 5227, 8362, 10454, 16909, 33818, 51641, 103282, 193399, 386798, 590651, 1181302, 1910717, 2388739, 3821434, 4777478, 21854087, 43708174, 88383343, 176766686, 269927507, 539855014, 9987317759, 19974635518]

約数ペア:

[(1, 19974635518), (2, 9987317759), (37, 539855014), (74, 269927507), (113, 176766686), (226, 88383343), (457, 43708174), (914, 21854087), (4181, 4777478), (5227, 3821434), (8362, 2388739), (10454, 1910717), (16909, 1181302), (33818, 590651), (51641, 386798), (103282, 193399)]