18939224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 37882080

約数和(自身を除く): 18942856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 887, 1256, 1774, 2669, 3548, 5338, 7096, 10676, 15079, 21352, 30158, 60316, 120632, 139259, 278518, 557036, 1114072, 2367403, 4734806, 9469612, 18939224]

約数ペア:

[(1, 18939224), (2, 9469612), (4, 4734806), (8, 2367403), (17, 1114072), (34, 557036), (68, 278518), (136, 139259), (157, 120632), (314, 60316), (628, 30158), (887, 21352), (1256, 15079), (1774, 10676), (2669, 7096), (3548, 5338)]