19798072

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1013}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 42588000

約数和(自身を除く): 22789928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 1013, 1396, 2026, 2443, 2792, 4052, 4886, 7091, 8104, 9772, 14182, 19544, 28364, 56728, 353537, 707074, 1414148, 2474759, 2828296, 4949518, 9899036, 19798072]

約数ペア:

[(1, 19798072), (2, 9899036), (4, 4949518), (7, 2828296), (8, 2474759), (14, 1414148), (28, 707074), (56, 353537), (349, 56728), (698, 28364), (1013, 19544), (1396, 14182), (2026, 9772), (2443, 8104), (2792, 7091), (4052, 4886)]