18194705907

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353783}}^1$

素因数の和:353903

約数の個数: 32

約数和(自身を含む): 28981985280

約数和(自身を除く): 10787279373

約数列:

[1, 3, 7, 21, 31, 79, 93, 217, 237, 553, 651, 1659, 2449, 7347, 17143, 51429, 353783, 1061349, 2476481, 7429443, 10967273, 27948857, 32901819, 76770911, 83846571, 195641999, 230312733, 586925997, 866414567, 2599243701, 6064901969, 18194705907]

約数ペア:

[(1, 18194705907), (3, 6064901969), (7, 2599243701), (21, 866414567), (31, 586925997), (79, 230312733), (93, 195641999), (217, 83846571), (237, 76770911), (553, 32901819), (651, 27948857), (1659, 10967273), (2449, 7429443), (7347, 2476481), (17143, 1061349), (51429, 353783)]