19019984

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8677}}^1$

素因数の和:8822

約数の個数: 20

約数和(自身を含む): 37124484

約数和(自身を除く): 18104500

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8677, 17354, 34708, 69416, 138832, 1188749, 2377498, 4754996, 9509992, 19019984]

約数ペア:

[(1, 19019984), (2, 9509992), (4, 4754996), (8, 2377498), (16, 1188749), (137, 138832), (274, 69416), (548, 34708), (1096, 17354), (2192, 8677)]