18152040980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1\times {\mathrm{2677}}^1$

素因数の和:4604

約数の個数: 48

約数和(自身を含む): 38349367056

約数和(自身を除く): 20197326076

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1721, 1970, 2677, 3442, 3940, 5354, 6884, 8605, 10708, 13385, 17210, 26770, 34420, 53540, 339037, 527369, 678074, 1054738, 1356148, 1695185, 2109476, 2636845, 3390370, 4607117, 5273690, 6780740, 9214234, 10547380, 18428468, 23035585, 46071170, 92142340, 907602049, 1815204098, 3630408196, 4538010245, 9076020490, 18152040980]

約数ペア:

[(1, 18152040980), (2, 9076020490), (4, 4538010245), (5, 3630408196), (10, 1815204098), (20, 907602049), (197, 92142340), (394, 46071170), (788, 23035585), (985, 18428468), (1721, 10547380), (1970, 9214234), (2677, 6780740), (3442, 5273690), (3940, 4607117), (5354, 3390370), (6884, 2636845), (8605, 2109476), (10708, 1695185), (13385, 1356148), (17210, 1054738), (26770, 678074), (34420, 527369), (53540, 339037)]