18060172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 35858592

約数和(自身を除く): 17798420

約数列:

[1, 2, 4, 13, 26, 41, 43, 52, 82, 86, 164, 172, 197, 394, 533, 559, 788, 1066, 1118, 1763, 2132, 2236, 2561, 3526, 5122, 7052, 8077, 8471, 10244, 16154, 16942, 22919, 32308, 33884, 45838, 91676, 105001, 110123, 210002, 220246, 347311, 420004, 440492, 694622, 1389244, 4515043, 9030086, 18060172]

約数ペア:

[(1, 18060172), (2, 9030086), (4, 4515043), (13, 1389244), (26, 694622), (41, 440492), (43, 420004), (52, 347311), (82, 220246), (86, 210002), (164, 110123), (172, 105001), (197, 91676), (394, 45838), (533, 33884), (559, 32308), (788, 22919), (1066, 16942), (1118, 16154), (1763, 10244), (2132, 8471), (2236, 8077), (2561, 7052), (3526, 5122)]