19899656

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20903}}^1$

素因数の和:20933

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 25252984

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 20903, 41806, 83612, 146321, 167224, 292642, 355351, 585284, 710702, 1170568, 1421404, 2487457, 2842808, 4974914, 9949828, 19899656]

約数ペア:

[(1, 19899656), (2, 9949828), (4, 4974914), (7, 2842808), (8, 2487457), (14, 1421404), (17, 1170568), (28, 710702), (34, 585284), (56, 355351), (68, 292642), (119, 167224), (136, 146321), (238, 83612), (476, 41806), (952, 20903)]