18842640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78511}}^1$

素因数の和:78527

約数の個数: 40

約数和(自身を含む): 58412928

約数和(自身を除く): 39570288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78511, 157022, 235533, 314044, 392555, 471066, 628088, 785110, 942132, 1177665, 1256176, 1570220, 1884264, 2355330, 3140440, 3768528, 4710660, 6280880, 9421320, 18842640]

約数ペア:

[(1, 18842640), (2, 9421320), (3, 6280880), (4, 4710660), (5, 3768528), (6, 3140440), (8, 2355330), (10, 1884264), (12, 1570220), (15, 1256176), (16, 1177665), (20, 942132), (24, 785110), (30, 628088), (40, 471066), (48, 392555), (60, 314044), (80, 235533), (120, 157022), (240, 78511)]