19208200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8731}}^1$

素因数の和:8758

約数の個数: 48

約数和(自身を含む): 48724560

約数和(自身を除く): 29516360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8731, 17462, 34924, 43655, 69848, 87310, 96041, 174620, 192082, 218275, 349240, 384164, 436550, 480205, 768328, 873100, 960410, 1746200, 1920820, 2401025, 3841640, 4802050, 9604100, 19208200]

約数ペア:

[(1, 19208200), (2, 9604100), (4, 4802050), (5, 3841640), (8, 2401025), (10, 1920820), (11, 1746200), (20, 960410), (22, 873100), (25, 768328), (40, 480205), (44, 436550), (50, 384164), (55, 349240), (88, 218275), (100, 192082), (110, 174620), (200, 96041), (220, 87310), (275, 69848), (440, 43655), (550, 34924), (1100, 17462), (2200, 8731)]