18887664

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9151}}^1$

素因数の和:9205

約数の個数: 40

約数和(自身を含む): 49933312

約数和(自身を除く): 31045648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9151, 18302, 27453, 36604, 54906, 73208, 109812, 146416, 219624, 393493, 439248, 786986, 1180479, 1573972, 2360958, 3147944, 4721916, 6295888, 9443832, 18887664]

約数ペア:

[(1, 18887664), (2, 9443832), (3, 6295888), (4, 4721916), (6, 3147944), (8, 2360958), (12, 1573972), (16, 1180479), (24, 786986), (43, 439248), (48, 393493), (86, 219624), (129, 146416), (172, 109812), (258, 73208), (344, 54906), (516, 36604), (688, 27453), (1032, 18302), (2064, 9151)]