19880706

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 21100542

約数列:

[1, 2, 3, 6, 43, 86, 129, 251, 258, 307, 502, 614, 753, 921, 1506, 1842, 10793, 13201, 21586, 26402, 32379, 39603, 64758, 77057, 79206, 154114, 231171, 462342, 3313451, 6626902, 9940353, 19880706]

約数ペア:

[(1, 19880706), (2, 9940353), (3, 6626902), (6, 3313451), (43, 462342), (86, 231171), (129, 154114), (251, 79206), (258, 77057), (307, 64758), (502, 39603), (614, 32379), (753, 26402), (921, 21586), (1506, 13201), (1842, 10793)]