18909304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 37815120

約数和(自身を除く): 18905816

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 853, 1304, 1706, 2771, 3412, 5542, 6824, 11084, 14501, 22168, 29002, 58004, 116008, 139039, 278078, 556156, 1112312, 2363663, 4727326, 9454652, 18909304]

約数ペア:

[(1, 18909304), (2, 9454652), (4, 4727326), (8, 2363663), (17, 1112312), (34, 556156), (68, 278078), (136, 139039), (163, 116008), (326, 58004), (652, 29002), (853, 22168), (1304, 14501), (1706, 11084), (2771, 6824), (3412, 5542)]