18938672

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{31991}}^1$

素因数の和:32036

約数の個数: 20

約数和(自身を含む): 37686576

約数和(自身を除く): 18747904

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 31991, 63982, 127964, 255928, 511856, 1183667, 2367334, 4734668, 9469336, 18938672]

約数ペア:

[(1, 18938672), (2, 9469336), (4, 4734668), (8, 2367334), (16, 1183667), (37, 511856), (74, 255928), (148, 127964), (296, 63982), (592, 31991)]