18128968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 42690240

約数和(自身を除く): 24561272

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 53, 88, 92, 104, 106, 143, 169, 184, 212, 253, 286, 299, 338, 424, 506, 572, 583, 598, 676, 689, 1012, 1144, 1166, 1196, 1219, 1352, 1378, 1859, 2024, 2332, 2392, 2438, 2756, 3289, 3718, 3887, 4664, 4876, 5512, 6578, 7436, 7579, 7774, 8957, 9752, 13156, 13409, 14872, 15158, 15548, 15847, 17914, 26312, 26818, 30316, 31096, 31694, 35828, 42757, 53636, 60632, 63388, 71656, 85514, 98527, 107272, 126776, 171028, 174317, 197054, 206011, 342056, 348634, 394108, 412022, 697268, 788216, 824044, 1394536, 1648088, 2266121, 4532242, 9064484, 18128968]

約数ペア:

[(1, 18128968), (2, 9064484), (4, 4532242), (8, 2266121), (11, 1648088), (13, 1394536), (22, 824044), (23, 788216), (26, 697268), (44, 412022), (46, 394108), (52, 348634), (53, 342056), (88, 206011), (92, 197054), (104, 174317), (106, 171028), (143, 126776), (169, 107272), (184, 98527), (212, 85514), (253, 71656), (286, 63388), (299, 60632), (338, 53636), (424, 42757), (506, 35828), (572, 31694), (583, 31096), (598, 30316), (676, 26818), (689, 26312), (1012, 17914), (1144, 15847), (1166, 15548), (1196, 15158), (1219, 14872), (1352, 13409), (1378, 13156), (1859, 9752), (2024, 8957), (2332, 7774), (2392, 7579), (2438, 7436), (2756, 6578), (3289, 5512), (3718, 4876), (3887, 4664)]