18942512

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5309}}^1$

素因数の和:5540

約数の個数: 20

約数和(自身を含む): 36872640

約数和(自身を除く): 17930128

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5309, 10618, 21236, 42472, 84944, 1183907, 2367814, 4735628, 9471256, 18942512]

約数ペア:

[(1, 18942512), (2, 9471256), (4, 4735628), (8, 2367814), (16, 1183907), (223, 84944), (446, 42472), (892, 21236), (1784, 10618), (3568, 5309)]