19673020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 23600420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 317, 428, 535, 580, 634, 1070, 1268, 1585, 2140, 3103, 3170, 6206, 6340, 9193, 12412, 15515, 18386, 31030, 33919, 36772, 45965, 62060, 67838, 91930, 135676, 169595, 183860, 339190, 678380, 983651, 1967302, 3934604, 4918255, 9836510, 19673020]

約数ペア:

[(1, 19673020), (2, 9836510), (4, 4918255), (5, 3934604), (10, 1967302), (20, 983651), (29, 678380), (58, 339190), (107, 183860), (116, 169595), (145, 135676), (214, 91930), (290, 67838), (317, 62060), (428, 45965), (535, 36772), (580, 33919), (634, 31030), (1070, 18386), (1268, 15515), (1585, 12412), (2140, 9193), (3103, 6340), (3170, 6206)]