18254838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 45439488

約数和(自身を除く): 27184650

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 518, 629, 691, 714, 777, 1258, 1382, 1554, 1887, 2073, 3774, 4146, 4403, 4837, 8806, 9674, 11747, 13209, 14511, 23494, 25567, 26418, 29022, 35241, 51134, 70482, 76701, 82229, 153402, 164458, 178969, 246687, 357938, 434639, 493374, 536907, 869278, 1073814, 1303917, 2607834, 3042473, 6084946, 9127419, 18254838]

約数ペア:

[(1, 18254838), (2, 9127419), (3, 6084946), (6, 3042473), (7, 2607834), (14, 1303917), (17, 1073814), (21, 869278), (34, 536907), (37, 493374), (42, 434639), (51, 357938), (74, 246687), (102, 178969), (111, 164458), (119, 153402), (222, 82229), (238, 76701), (259, 70482), (357, 51134), (518, 35241), (629, 29022), (691, 26418), (714, 25567), (777, 23494), (1258, 14511), (1382, 13209), (1554, 11747), (1887, 9674), (2073, 8806), (3774, 4837), (4146, 4403)]