16628990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12536

約数の個数: 32

約数和(自身を含む): 36011520

約数和(自身を除く): 19382530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 12503, 25006, 62515, 87521, 125030, 175042, 237557, 437605, 475114, 875210, 1187785, 1662899, 2375570, 3325798, 8314495, 16628990]

約数ペア:

[(1, 16628990), (2, 8314495), (5, 3325798), (7, 2375570), (10, 1662899), (14, 1187785), (19, 875210), (35, 475114), (38, 437605), (70, 237557), (95, 175042), (133, 125030), (190, 87521), (266, 62515), (665, 25006), (1330, 12503)]