19388280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161569}}^1$

素因数の和:161583

約数の個数: 32

約数和(自身を含む): 58165200

約数和(自身を除く): 38776920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161569, 323138, 484707, 646276, 807845, 969414, 1292552, 1615690, 1938828, 2423535, 3231380, 3877656, 4847070, 6462760, 9694140, 19388280]

約数ペア:

[(1, 19388280), (2, 9694140), (3, 6462760), (4, 4847070), (5, 3877656), (6, 3231380), (8, 2423535), (10, 1938828), (12, 1615690), (15, 1292552), (20, 969414), (24, 807845), (30, 646276), (40, 484707), (60, 323138), (120, 161569)]