16418990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 17588050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1439, 1630, 2282, 2878, 5705, 7195, 10073, 11410, 14390, 20146, 50365, 100730, 234557, 469114, 1172785, 1641899, 2345570, 3283798, 8209495, 16418990]

約数ペア:

[(1, 16418990), (2, 8209495), (5, 3283798), (7, 2345570), (10, 1641899), (14, 1172785), (35, 469114), (70, 234557), (163, 100730), (326, 50365), (815, 20146), (1141, 14390), (1439, 11410), (1630, 10073), (2282, 7195), (2878, 5705)]