19183480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28211}}^1$

素因数の和:28239

約数の個数: 32

約数和(自身を含む): 45703440

約数和(自身を除く): 26519960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28211, 56422, 112844, 141055, 225688, 282110, 479587, 564220, 959174, 1128440, 1918348, 2397935, 3836696, 4795870, 9591740, 19183480]

約数ペア:

[(1, 19183480), (2, 9591740), (4, 4795870), (5, 3836696), (8, 2397935), (10, 1918348), (17, 1128440), (20, 959174), (34, 564220), (40, 479587), (68, 282110), (85, 225688), (136, 141055), (170, 112844), (340, 56422), (680, 28211)]