19836008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 39673800

約数和(自身を除く): 19837792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 929, 1256, 1858, 2669, 3716, 5338, 7432, 10676, 15793, 21352, 31586, 63172, 126344, 145853, 291706, 583412, 1166824, 2479501, 4959002, 9918004, 19836008]

約数ペア:

[(1, 19836008), (2, 9918004), (4, 4959002), (8, 2479501), (17, 1166824), (34, 583412), (68, 291706), (136, 145853), (157, 126344), (314, 63172), (628, 31586), (929, 21352), (1256, 15793), (1858, 10676), (2669, 7432), (3716, 5338)]