18887642

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2377}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 29534760

約数和(自身を除く): 10647118

約数列:

[1, 2, 29, 58, 137, 274, 2377, 3973, 4754, 7946, 68933, 137866, 325649, 651298, 9443821, 18887642]

約数ペア:

[(1, 18887642), (2, 9443821), (29, 651298), (58, 325649), (137, 137866), (274, 68933), (2377, 7946), (3973, 4754)]