18698120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 30532600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1553, 1720, 2408, 3010, 3106, 6020, 6212, 7765, 10871, 12040, 12424, 15530, 21742, 31060, 43484, 54355, 62120, 66779, 86968, 108710, 133558, 217420, 267116, 333895, 434840, 467453, 534232, 667790, 934906, 1335580, 1869812, 2337265, 2671160, 3739624, 4674530, 9349060, 18698120]

約数ペア:

[(1, 18698120), (2, 9349060), (4, 4674530), (5, 3739624), (7, 2671160), (8, 2337265), (10, 1869812), (14, 1335580), (20, 934906), (28, 667790), (35, 534232), (40, 467453), (43, 434840), (56, 333895), (70, 267116), (86, 217420), (140, 133558), (172, 108710), (215, 86968), (280, 66779), (301, 62120), (344, 54355), (430, 43484), (602, 31060), (860, 21742), (1204, 15530), (1505, 12424), (1553, 12040), (1720, 10871), (2408, 7765), (3010, 6212), (3106, 6020)]