18750248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3001}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 20155672

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3001, 3124, 6002, 6248, 12004, 24008, 33011, 66022, 132044, 213071, 264088, 426142, 852284, 1704568, 2343781, 4687562, 9375124, 18750248]

約数ペア:

[(1, 18750248), (2, 9375124), (4, 4687562), (8, 2343781), (11, 1704568), (22, 852284), (44, 426142), (71, 264088), (88, 213071), (142, 132044), (284, 66022), (568, 33011), (781, 24008), (1562, 12004), (3001, 6248), (3124, 6002)]