19451080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44207}}^1$

素因数の和:44229

約数の個数: 32

約数和(自身を含む): 47744640

約数和(自身を除く): 28293560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44207, 88414, 176828, 221035, 353656, 442070, 486277, 884140, 972554, 1768280, 1945108, 2431385, 3890216, 4862770, 9725540, 19451080]

約数ペア:

[(1, 19451080), (2, 9725540), (4, 4862770), (5, 3890216), (8, 2431385), (10, 1945108), (11, 1768280), (20, 972554), (22, 884140), (40, 486277), (44, 442070), (55, 353656), (88, 221035), (110, 176828), (220, 88414), (440, 44207)]