19536700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2566

約数の個数: 36

約数和(自身を含む): 42948640

約数和(自身を除く): 23411940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2473, 3950, 4946, 7900, 9892, 12365, 24730, 49460, 61825, 123650, 195367, 247300, 390734, 781468, 976835, 1953670, 3907340, 4884175, 9768350, 19536700]

約数ペア:

[(1, 19536700), (2, 9768350), (4, 4884175), (5, 3907340), (10, 1953670), (20, 976835), (25, 781468), (50, 390734), (79, 247300), (100, 195367), (158, 123650), (316, 61825), (395, 49460), (790, 24730), (1580, 12365), (1975, 9892), (2473, 7900), (3950, 4946)]