19672840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44711}}^1$

素因数の和:44733

約数の個数: 32

約数和(自身を含む): 48288960

約数和(自身を除く): 28616120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44711, 89422, 178844, 223555, 357688, 447110, 491821, 894220, 983642, 1788440, 1967284, 2459105, 3934568, 4918210, 9836420, 19672840]

約数ペア:

[(1, 19672840), (2, 9836420), (4, 4918210), (5, 3934568), (8, 2459105), (10, 1967284), (11, 1788440), (20, 983642), (22, 894220), (40, 491821), (44, 447110), (55, 357688), (88, 223555), (110, 178844), (220, 89422), (440, 44711)]