18938500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{773}}^1$

素因数の和:806

約数の個数: 72

約数和(自身を含む): 48176856

約数和(自身を除く): 29238356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 773, 875, 980, 1225, 1546, 1750, 2450, 3092, 3500, 3865, 4900, 5411, 6125, 7730, 10822, 12250, 15460, 19325, 21644, 24500, 27055, 37877, 38650, 54110, 75754, 77300, 96625, 108220, 135275, 151508, 189385, 193250, 270550, 378770, 386500, 541100, 676375, 757540, 946925, 1352750, 1893850, 2705500, 3787700, 4734625, 9469250, 18938500]

約数ペア:

[(1, 18938500), (2, 9469250), (4, 4734625), (5, 3787700), (7, 2705500), (10, 1893850), (14, 1352750), (20, 946925), (25, 757540), (28, 676375), (35, 541100), (49, 386500), (50, 378770), (70, 270550), (98, 193250), (100, 189385), (125, 151508), (140, 135275), (175, 108220), (196, 96625), (245, 77300), (250, 75754), (350, 54110), (490, 38650), (500, 37877), (700, 27055), (773, 24500), (875, 21644), (980, 19325), (1225, 15460), (1546, 12250), (1750, 10822), (2450, 7730), (3092, 6125), (3500, 5411), (3865, 4900)]