19214320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12673

約数の個数: 40

約数和(自身を含む): 47028240

約数和(自身を除く): 27813920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12641, 25282, 50564, 63205, 101128, 126410, 202256, 240179, 252820, 480358, 505640, 960716, 1011280, 1200895, 1921432, 2401790, 3842864, 4803580, 9607160, 19214320]

約数ペア:

[(1, 19214320), (2, 9607160), (4, 4803580), (5, 3842864), (8, 2401790), (10, 1921432), (16, 1200895), (19, 1011280), (20, 960716), (38, 505640), (40, 480358), (76, 252820), (80, 240179), (95, 202256), (152, 126410), (190, 101128), (304, 63205), (380, 50564), (760, 25282), (1520, 12641)]