19718544

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 54317952

約数和(自身を除く): 34599408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 53, 69, 92, 106, 138, 159, 184, 212, 276, 318, 337, 368, 424, 552, 636, 674, 848, 1011, 1104, 1219, 1272, 1348, 2022, 2438, 2544, 2696, 3657, 4044, 4876, 5392, 7314, 7751, 8088, 9752, 14628, 15502, 16176, 17861, 19504, 23253, 29256, 31004, 35722, 46506, 53583, 58512, 62008, 71444, 93012, 107166, 124016, 142888, 186024, 214332, 285776, 372048, 410803, 428664, 821606, 857328, 1232409, 1643212, 2464818, 3286424, 4929636, 6572848, 9859272, 19718544]

約数ペア:

[(1, 19718544), (2, 9859272), (3, 6572848), (4, 4929636), (6, 3286424), (8, 2464818), (12, 1643212), (16, 1232409), (23, 857328), (24, 821606), (46, 428664), (48, 410803), (53, 372048), (69, 285776), (92, 214332), (106, 186024), (138, 142888), (159, 124016), (184, 107166), (212, 93012), (276, 71444), (318, 62008), (337, 58512), (368, 53583), (424, 46506), (552, 35722), (636, 31004), (674, 29256), (848, 23253), (1011, 19504), (1104, 17861), (1219, 16176), (1272, 15502), (1348, 14628), (2022, 9752), (2438, 8088), (2544, 7751), (2696, 7314), (3657, 5392), (4044, 4876)]