16919420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7109}}^1$

素因数の和:7142

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 26081860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7109, 14218, 28436, 35545, 49763, 71090, 99526, 120853, 142180, 199052, 241706, 248815, 483412, 497630, 604265, 845971, 995260, 1208530, 1691942, 2417060, 3383884, 4229855, 8459710, 16919420]

約数ペア:

[(1, 16919420), (2, 8459710), (4, 4229855), (5, 3383884), (7, 2417060), (10, 1691942), (14, 1208530), (17, 995260), (20, 845971), (28, 604265), (34, 497630), (35, 483412), (68, 248815), (70, 241706), (85, 199052), (119, 142180), (140, 120853), (170, 99526), (238, 71090), (340, 49763), (476, 35545), (595, 28436), (1190, 14218), (2380, 7109)]