18446644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 36247680

約数和(自身を除く): 17801036

約数列:

[1, 2, 4, 19, 23, 38, 46, 61, 76, 92, 122, 173, 244, 346, 437, 692, 874, 1159, 1403, 1748, 2318, 2806, 3287, 3979, 4636, 5612, 6574, 7958, 10553, 13148, 15916, 21106, 26657, 42212, 53314, 75601, 106628, 151202, 200507, 242719, 302404, 401014, 485438, 802028, 970876, 4611661, 9223322, 18446644]

約数ペア:

[(1, 18446644), (2, 9223322), (4, 4611661), (19, 970876), (23, 802028), (38, 485438), (46, 401014), (61, 302404), (76, 242719), (92, 200507), (122, 151202), (173, 106628), (244, 75601), (346, 53314), (437, 42212), (692, 26657), (874, 21106), (1159, 15916), (1403, 13148), (1748, 10553), (2318, 7958), (2806, 6574), (3287, 5612), (3979, 4636)]