18326420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 44567040

約数和(自身を除く): 26240620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1657, 2212, 2765, 3314, 5530, 6628, 8285, 11060, 11599, 16570, 23198, 33140, 46396, 57995, 115990, 130903, 231980, 261806, 523612, 654515, 916321, 1309030, 1832642, 2618060, 3665284, 4581605, 9163210, 18326420]

約数ペア:

[(1, 18326420), (2, 9163210), (4, 4581605), (5, 3665284), (7, 2618060), (10, 1832642), (14, 1309030), (20, 916321), (28, 654515), (35, 523612), (70, 261806), (79, 231980), (140, 130903), (158, 115990), (316, 57995), (395, 46396), (553, 33140), (790, 23198), (1106, 16570), (1580, 11599), (1657, 11060), (2212, 8285), (2765, 6628), (3314, 5530)]