19209658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 32634000

約数和(自身を除く): 13424342

約数列:

[1, 2, 13, 26, 29, 58, 73, 146, 349, 377, 698, 754, 949, 1898, 2117, 4234, 4537, 9074, 10121, 20242, 25477, 27521, 50954, 55042, 131573, 263146, 331201, 662402, 738833, 1477666, 9604829, 19209658]

約数ペア:

[(1, 19209658), (2, 9604829), (13, 1477666), (26, 738833), (29, 662402), (58, 331201), (73, 263146), (146, 131573), (349, 55042), (377, 50954), (698, 27521), (754, 25477), (949, 20242), (1898, 10121), (2117, 9074), (4234, 4537)]