19421142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 42690240

約数和(自身を除く): 23269098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 169, 179, 214, 321, 338, 358, 507, 537, 642, 1014, 1074, 1391, 2327, 2782, 4173, 4654, 6981, 8346, 13962, 18083, 19153, 30251, 36166, 38306, 54249, 57459, 60502, 90753, 108498, 114918, 181506, 248989, 497978, 746967, 1493934, 3236857, 6473714, 9710571, 19421142]

約数ペア:

[(1, 19421142), (2, 9710571), (3, 6473714), (6, 3236857), (13, 1493934), (26, 746967), (39, 497978), (78, 248989), (107, 181506), (169, 114918), (179, 108498), (214, 90753), (321, 60502), (338, 57459), (358, 54249), (507, 38306), (537, 36166), (642, 30251), (1014, 19153), (1074, 18083), (1391, 13962), (2327, 8346), (2782, 6981), (4173, 4654)]