19115216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 39298080

約数和(自身を除く): 20182864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 227, 277, 304, 454, 554, 908, 1108, 1816, 2216, 3632, 4313, 4432, 5263, 8626, 10526, 17252, 21052, 34504, 42104, 62879, 69008, 84208, 125758, 251516, 503032, 1006064, 1194701, 2389402, 4778804, 9557608, 19115216]

約数ペア:

[(1, 19115216), (2, 9557608), (4, 4778804), (8, 2389402), (16, 1194701), (19, 1006064), (38, 503032), (76, 251516), (152, 125758), (227, 84208), (277, 69008), (304, 62879), (454, 42104), (554, 34504), (908, 21052), (1108, 17252), (1816, 10526), (2216, 8626), (3632, 5263), (4313, 4432)]