19403628

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 47604480

約数和(自身を除く): 28200852

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 229, 276, 307, 458, 614, 687, 916, 921, 1228, 1374, 1842, 2748, 3684, 5267, 7061, 10534, 14122, 15801, 21068, 21183, 28244, 31602, 42366, 63204, 70303, 84732, 140606, 210909, 281212, 421818, 843636, 1616969, 3233938, 4850907, 6467876, 9701814, 19403628]

約数ペア:

[(1, 19403628), (2, 9701814), (3, 6467876), (4, 4850907), (6, 3233938), (12, 1616969), (23, 843636), (46, 421818), (69, 281212), (92, 210909), (138, 140606), (229, 84732), (276, 70303), (307, 63204), (458, 42366), (614, 31602), (687, 28244), (916, 21183), (921, 21068), (1228, 15801), (1374, 14122), (1842, 10534), (2748, 7061), (3684, 5267)]