19906884

素因数分解:

$2^2\times 3^4\times {\mathrm{61441}}^1$

素因数の和:61457

約数の個数: 30

約数和(自身を含む): 52041374

約数和(自身を除く): 32134490

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61441, 122882, 184323, 245764, 368646, 552969, 737292, 1105938, 1658907, 2211876, 3317814, 4976721, 6635628, 9953442, 19906884]

約数ペア:

[(1, 19906884), (2, 9953442), (3, 6635628), (4, 4976721), (6, 3317814), (9, 2211876), (12, 1658907), (18, 1105938), (27, 737292), (36, 552969), (54, 368646), (81, 245764), (108, 184323), (162, 122882), (324, 61441)]