18639208

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 43061220

約数和(自身を除く): 24422012

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 2797, 3332, 5594, 6664, 11188, 19579, 22376, 39158, 47549, 78316, 95098, 137053, 156632, 190196, 274106, 332843, 380392, 548212, 665686, 1096424, 1331372, 2329901, 2662744, 4659802, 9319604, 18639208]

約数ペア:

[(1, 18639208), (2, 9319604), (4, 4659802), (7, 2662744), (8, 2329901), (14, 1331372), (17, 1096424), (28, 665686), (34, 548212), (49, 380392), (56, 332843), (68, 274106), (98, 190196), (119, 156632), (136, 137053), (196, 95098), (238, 78316), (392, 47549), (476, 39158), (833, 22376), (952, 19579), (1666, 11188), (2797, 6664), (3332, 5594)]