18022840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40961}}^1$

素因数の和:40983

約数の個数: 32

約数和(自身を含む): 44238960

約数和(自身を除く): 26216120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40961, 81922, 163844, 204805, 327688, 409610, 450571, 819220, 901142, 1638440, 1802284, 2252855, 3604568, 4505710, 9011420, 18022840]

約数ペア:

[(1, 18022840), (2, 9011420), (4, 4505710), (5, 3604568), (8, 2252855), (10, 1802284), (11, 1638440), (20, 901142), (22, 819220), (40, 450571), (44, 409610), (55, 327688), (88, 204805), (110, 163844), (220, 81922), (440, 40961)]