18718502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 32085504

約数和(自身を除く): 13367002

約数列:

[1, 2, 11, 22, 43, 47, 86, 94, 421, 473, 517, 842, 946, 1034, 2021, 4042, 4631, 9262, 18103, 19787, 22231, 36206, 39574, 44462, 199133, 217657, 398266, 435314, 850841, 1701682, 9359251, 18718502]

約数ペア:

[(1, 18718502), (2, 9359251), (11, 1701682), (22, 850841), (43, 435314), (47, 398266), (86, 217657), (94, 199133), (421, 44462), (473, 39574), (517, 36206), (842, 22231), (946, 19787), (1034, 18103), (2021, 9262), (4042, 4631)]