18854766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 47044608

約数和(自身を除く): 28189842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151, 302, 453, 906, 991, 1057, 1359, 1982, 2114, 2718, 2973, 3171, 5946, 6342, 6937, 8919, 9513, 13874, 17838, 19026, 20811, 41622, 62433, 124866, 149641, 299282, 448923, 897846, 1047487, 1346769, 2094974, 2693538, 3142461, 6284922, 9427383, 18854766]

約数ペア:

[(1, 18854766), (2, 9427383), (3, 6284922), (6, 3142461), (7, 2693538), (9, 2094974), (14, 1346769), (18, 1047487), (21, 897846), (42, 448923), (63, 299282), (126, 149641), (151, 124866), (302, 62433), (453, 41622), (906, 20811), (991, 19026), (1057, 17838), (1359, 13874), (1982, 9513), (2114, 8919), (2718, 6937), (2973, 6342), (3171, 5946)]