12399628

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 23725632

約数和(自身を除く): 11326004

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 277, 361, 554, 589, 722, 1108, 1178, 1444, 2356, 5263, 8587, 10526, 11191, 17174, 21052, 22382, 34348, 44764, 99997, 163153, 199994, 326306, 399988, 652612, 3099907, 6199814, 12399628]

約数ペア:

[(1, 12399628), (2, 6199814), (4, 3099907), (19, 652612), (31, 399988), (38, 326306), (62, 199994), (76, 163153), (124, 99997), (277, 44764), (361, 34348), (554, 22382), (589, 21052), (722, 17174), (1108, 11191), (1178, 10526), (1444, 8587), (2356, 5263)]