18970420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{757}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 45843840

約数和(自身を除く): 26873420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 757, 895, 1253, 1514, 1790, 2506, 3028, 3580, 3785, 5012, 5299, 6265, 7570, 10598, 12530, 15140, 21196, 25060, 26495, 52990, 105980, 135503, 271006, 542012, 677515, 948521, 1355030, 1897042, 2710060, 3794084, 4742605, 9485210, 18970420]

約数ペア:

[(1, 18970420), (2, 9485210), (4, 4742605), (5, 3794084), (7, 2710060), (10, 1897042), (14, 1355030), (20, 948521), (28, 677515), (35, 542012), (70, 271006), (140, 135503), (179, 105980), (358, 52990), (716, 26495), (757, 25060), (895, 21196), (1253, 15140), (1514, 12530), (1790, 10598), (2506, 7570), (3028, 6265), (3580, 5299), (3785, 5012)]