18420724

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38699}}^1$

素因数の和:38727

約数の個数: 24

約数和(自身を含む): 39009600

約数和(自身を除く): 20588876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 38699, 77398, 154796, 270893, 541786, 657883, 1083572, 1315766, 2631532, 4605181, 9210362, 18420724]

約数ペア:

[(1, 18420724), (2, 9210362), (4, 4605181), (7, 2631532), (14, 1315766), (17, 1083572), (28, 657883), (34, 541786), (68, 270893), (119, 154796), (238, 77398), (476, 38699)]