19460860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22673540

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 113, 158, 218, 226, 316, 395, 436, 452, 545, 565, 790, 1090, 1130, 1580, 2180, 2260, 8611, 8927, 12317, 17222, 17854, 24634, 34444, 35708, 43055, 44635, 49268, 61585, 86110, 89270, 123170, 172220, 178540, 246340, 973043, 1946086, 3892172, 4865215, 9730430, 19460860]

約数ペア:

[(1, 19460860), (2, 9730430), (4, 4865215), (5, 3892172), (10, 1946086), (20, 973043), (79, 246340), (109, 178540), (113, 172220), (158, 123170), (218, 89270), (226, 86110), (316, 61585), (395, 49268), (436, 44635), (452, 43055), (545, 35708), (565, 34444), (790, 24634), (1090, 17854), (1130, 17222), (1580, 12317), (2180, 8927), (2260, 8611)]