19716124

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 18991076

約数列:

[1, 2, 4, 17, 31, 34, 47, 62, 68, 94, 124, 188, 199, 398, 527, 796, 799, 1054, 1457, 1598, 2108, 2914, 3196, 3383, 5828, 6169, 6766, 9353, 12338, 13532, 18706, 24676, 24769, 37412, 49538, 99076, 104873, 159001, 209746, 289943, 318002, 419492, 579886, 636004, 1159772, 4929031, 9858062, 19716124]

約数ペア:

[(1, 19716124), (2, 9858062), (4, 4929031), (17, 1159772), (31, 636004), (34, 579886), (47, 419492), (62, 318002), (68, 289943), (94, 209746), (124, 159001), (188, 104873), (199, 99076), (398, 49538), (527, 37412), (796, 24769), (799, 24676), (1054, 18706), (1457, 13532), (1598, 12338), (2108, 9353), (2914, 6766), (3196, 6169), (3383, 5828)]