19187720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25247}}^1$

素因数の和:25277

約数の個数: 32

約数和(自身を含む): 45446400

約数和(自身を除く): 26258680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25247, 50494, 100988, 126235, 201976, 252470, 479693, 504940, 959386, 1009880, 1918772, 2398465, 3837544, 4796930, 9593860, 19187720]

約数ペア:

[(1, 19187720), (2, 9593860), (4, 4796930), (5, 3837544), (8, 2398465), (10, 1918772), (19, 1009880), (20, 959386), (38, 504940), (40, 479693), (76, 252470), (95, 201976), (152, 126235), (190, 100988), (380, 50494), (760, 25247)]