18801488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 40027200

約数和(自身を除く): 21225712

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2689, 3496, 5378, 6992, 10756, 21512, 43024, 51091, 61847, 102182, 123694, 204364, 247388, 408728, 494776, 817456, 989552, 1175093, 2350186, 4700372, 9400744, 18801488]

約数ペア:

[(1, 18801488), (2, 9400744), (4, 4700372), (8, 2350186), (16, 1175093), (19, 989552), (23, 817456), (38, 494776), (46, 408728), (76, 247388), (92, 204364), (152, 123694), (184, 102182), (304, 61847), (368, 51091), (437, 43024), (874, 21512), (1748, 10756), (2689, 6992), (3496, 5378)]