19494200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8861}}^1$

素因数の和:8888

約数の個数: 48

約数和(自身を含む): 49449960

約数和(自身を除く): 29955760

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, 8861, 17722, 35444, 44305, 70888, 88610, 97471, 177220, 194942, 221525, 354440, 389884, 443050, 487355, 779768, 886100, 974710, 1772200, 1949420, 2436775, 3898840, 4873550, 9747100, 19494200]

約数ペア:

[(1, 19494200), (2, 9747100), (4, 4873550), (5, 3898840), (8, 2436775), (10, 1949420), (11, 1772200), (20, 974710), (22, 886100), (25, 779768), (40, 487355), (44, 443050), (50, 389884), (55, 354440), (88, 221525), (100, 194942), (110, 177220), (200, 97471), (220, 88610), (275, 70888), (440, 44305), (550, 35444), (1100, 17722), (2200, 8861)]