19831840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17707}}^1$

素因数の和:17729

約数の個数: 48

約数和(自身を含む): 53548992

約数和(自身を除く): 33717152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17707, 35414, 70828, 88535, 123949, 141656, 177070, 247898, 283312, 354140, 495796, 566624, 619745, 708280, 991592, 1239490, 1416560, 1983184, 2478980, 2833120, 3966368, 4957960, 9915920, 19831840]

約数ペア:

[(1, 19831840), (2, 9915920), (4, 4957960), (5, 3966368), (7, 2833120), (8, 2478980), (10, 1983184), (14, 1416560), (16, 1239490), (20, 991592), (28, 708280), (32, 619745), (35, 566624), (40, 495796), (56, 354140), (70, 283312), (80, 247898), (112, 177070), (140, 141656), (160, 123949), (224, 88535), (280, 70828), (560, 35414), (1120, 17707)]