18478338

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 38779776

約数和(自身を除く): 20301438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 293, 457, 586, 879, 914, 1371, 1758, 2742, 6739, 10511, 13478, 20217, 21022, 31533, 40434, 63066, 133901, 267802, 401703, 803406, 3079723, 6159446, 9239169, 18478338]

約数ペア:

[(1, 18478338), (2, 9239169), (3, 6159446), (6, 3079723), (23, 803406), (46, 401703), (69, 267802), (138, 133901), (293, 63066), (457, 40434), (586, 31533), (879, 21022), (914, 20217), (1371, 13478), (1758, 10511), (2742, 6739)]