18620602

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19699526

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 131, 142, 143, 154, 182, 262, 286, 497, 781, 917, 923, 994, 1001, 1441, 1562, 1703, 1834, 1846, 2002, 2882, 3406, 5467, 6461, 9301, 10087, 10153, 10934, 11921, 12922, 18602, 18733, 20174, 20306, 23842, 37466, 65107, 71071, 102311, 120913, 130214, 131131, 142142, 204622, 241826, 262262, 716177, 846391, 1330043, 1432354, 1692782, 2660086, 9310301, 18620602]

約数ペア:

[(1, 18620602), (2, 9310301), (7, 2660086), (11, 1692782), (13, 1432354), (14, 1330043), (22, 846391), (26, 716177), (71, 262262), (77, 241826), (91, 204622), (131, 142142), (142, 131131), (143, 130214), (154, 120913), (182, 102311), (262, 71071), (286, 65107), (497, 37466), (781, 23842), (917, 20306), (923, 20174), (994, 18733), (1001, 18602), (1441, 12922), (1562, 11921), (1703, 10934), (1834, 10153), (1846, 10087), (2002, 9301), (2882, 6461), (3406, 5467)]