18206874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 45352320

約数和(自身を除く): 27145446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 229, 458, 631, 687, 1262, 1374, 1603, 1893, 2061, 3206, 3786, 4122, 4417, 4809, 5679, 8834, 9618, 11358, 13251, 14427, 26502, 28854, 39753, 79506, 144499, 288998, 433497, 866994, 1011493, 1300491, 2022986, 2600982, 3034479, 6068958, 9103437, 18206874]

約数ペア:

[(1, 18206874), (2, 9103437), (3, 6068958), (6, 3034479), (7, 2600982), (9, 2022986), (14, 1300491), (18, 1011493), (21, 866994), (42, 433497), (63, 288998), (126, 144499), (229, 79506), (458, 39753), (631, 28854), (687, 26502), (1262, 14427), (1374, 13251), (1603, 11358), (1893, 9618), (2061, 8834), (3206, 5679), (3786, 4809), (4122, 4417)]