19913166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12157}}^1$

素因数の和:12185

約数の個数: 48

約数和(自身を含む): 53106144

約数和(自身を除く): 33192978

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12157, 24314, 36471, 72942, 85099, 109413, 158041, 170198, 218826, 255297, 316082, 474123, 510594, 765891, 948246, 1106287, 1422369, 1531782, 2212574, 2844738, 3318861, 6637722, 9956583, 19913166]

約数ペア:

[(1, 19913166), (2, 9956583), (3, 6637722), (6, 3318861), (7, 2844738), (9, 2212574), (13, 1531782), (14, 1422369), (18, 1106287), (21, 948246), (26, 765891), (39, 510594), (42, 474123), (63, 316082), (78, 255297), (91, 218826), (117, 170198), (126, 158041), (182, 109413), (234, 85099), (273, 72942), (546, 36471), (819, 24314), (1638, 12157)]