19369240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44021}}^1$

素因数の和:44043

約数の個数: 32

約数和(自身を含む): 47543760

約数和(自身を除く): 28174520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44021, 88042, 176084, 220105, 352168, 440210, 484231, 880420, 968462, 1760840, 1936924, 2421155, 3873848, 4842310, 9684620, 19369240]

約数ペア:

[(1, 19369240), (2, 9684620), (4, 4842310), (5, 3873848), (8, 2421155), (10, 1936924), (11, 1760840), (20, 968462), (22, 880420), (40, 484231), (44, 440210), (55, 352168), (88, 220105), (110, 176084), (220, 88042), (440, 44021)]