18160233

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 33045408

約数和(自身を除く): 14885175

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 49, 51, 91, 119, 129, 147, 169, 221, 273, 301, 357, 507, 559, 637, 663, 731, 833, 903, 1183, 1547, 1677, 1911, 2107, 2193, 2499, 2873, 3549, 3913, 4641, 5117, 6321, 7267, 8281, 8619, 9503, 10829, 11739, 15351, 20111, 21801, 24843, 27391, 28509, 32487, 35819, 50869, 60333, 66521, 82173, 107457, 123539, 140777, 152607, 199563, 356083, 370617, 422331, 465647, 864773, 1068249, 1396941, 2594319, 6053411, 18160233]

約数ペア:

[(1, 18160233), (3, 6053411), (7, 2594319), (13, 1396941), (17, 1068249), (21, 864773), (39, 465647), (43, 422331), (49, 370617), (51, 356083), (91, 199563), (119, 152607), (129, 140777), (147, 123539), (169, 107457), (221, 82173), (273, 66521), (301, 60333), (357, 50869), (507, 35819), (559, 32487), (637, 28509), (663, 27391), (731, 24843), (833, 21801), (903, 20111), (1183, 15351), (1547, 11739), (1677, 10829), (1911, 9503), (2107, 8619), (2193, 8281), (2499, 7267), (2873, 6321), (3549, 5117), (3913, 4641)]