18555248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 38449920

約数和(自身を除く): 19894672

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 911, 1072, 1273, 1822, 2546, 3644, 5092, 7288, 10184, 14576, 17309, 20368, 34618, 61037, 69236, 122074, 138472, 244148, 276944, 488296, 976592, 1159703, 2319406, 4638812, 9277624, 18555248]

約数ペア:

[(1, 18555248), (2, 9277624), (4, 4638812), (8, 2319406), (16, 1159703), (19, 976592), (38, 488296), (67, 276944), (76, 244148), (134, 138472), (152, 122074), (268, 69236), (304, 61037), (536, 34618), (911, 20368), (1072, 17309), (1273, 14576), (1822, 10184), (2546, 7288), (3644, 5092)]