18844150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 38528784

約数和(自身を除く): 19684634

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 547, 650, 689, 1094, 1325, 1378, 2650, 2735, 3445, 5470, 6890, 7111, 13675, 14222, 17225, 27350, 28991, 34450, 35555, 57982, 71110, 144955, 177775, 289910, 355550, 376883, 724775, 753766, 1449550, 1884415, 3768830, 9422075, 18844150]

約数ペア:

[(1, 18844150), (2, 9422075), (5, 3768830), (10, 1884415), (13, 1449550), (25, 753766), (26, 724775), (50, 376883), (53, 355550), (65, 289910), (106, 177775), (130, 144955), (265, 71110), (325, 57982), (530, 35555), (547, 34450), (650, 28991), (689, 27350), (1094, 17225), (1325, 14222), (1378, 13675), (2650, 7111), (2735, 6890), (3445, 5470)]