18695512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12497}}^1$

素因数の和:12531

約数の個数: 32

約数和(自身を含む): 40493520

約数和(自身を除く): 21798008

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12497, 24994, 49988, 99976, 137467, 212449, 274934, 424898, 549868, 849796, 1099736, 1699592, 2336939, 4673878, 9347756, 18695512]

約数ペア:

[(1, 18695512), (2, 9347756), (4, 4673878), (8, 2336939), (11, 1699592), (17, 1099736), (22, 849796), (34, 549868), (44, 424898), (68, 274934), (88, 212449), (136, 137467), (187, 99976), (374, 49988), (748, 24994), (1496, 12497)]