18072280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12211}}^1$

素因数の和:12259

約数の個数: 32

約数和(自身を含む): 41765040

約数和(自身を除く): 23692760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12211, 24422, 48844, 61055, 97688, 122110, 244220, 451807, 488440, 903614, 1807228, 2259035, 3614456, 4518070, 9036140, 18072280]

約数ペア:

[(1, 18072280), (2, 9036140), (4, 4518070), (5, 3614456), (8, 2259035), (10, 1807228), (20, 903614), (37, 488440), (40, 451807), (74, 244220), (148, 122110), (185, 97688), (296, 61055), (370, 48844), (740, 24422), (1480, 12211)]