19191340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19583}}^1$

素因数の和:19606

約数の個数: 36

約数和(自身を含む): 46884096

約数和(自身を除く): 27692756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19583, 39166, 78332, 97915, 137081, 195830, 274162, 391660, 548324, 685405, 959567, 1370810, 1919134, 2741620, 3838268, 4797835, 9595670, 19191340]

約数ペア:

[(1, 19191340), (2, 9595670), (4, 4797835), (5, 3838268), (7, 2741620), (10, 1919134), (14, 1370810), (20, 959567), (28, 685405), (35, 548324), (49, 391660), (70, 274162), (98, 195830), (140, 137081), (196, 97915), (245, 78332), (490, 39166), (980, 19583)]