19789105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 29168640

約数和(自身を除く): 9379535

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 421, 553, 595, 1343, 2105, 2765, 2947, 6715, 7157, 9401, 14735, 33259, 35785, 47005, 50099, 166295, 232813, 250495, 565403, 1164065, 2827015, 3957821, 19789105]

約数ペア:

[(1, 19789105), (5, 3957821), (7, 2827015), (17, 1164065), (35, 565403), (79, 250495), (85, 232813), (119, 166295), (395, 50099), (421, 47005), (553, 35785), (595, 33259), (1343, 14735), (2105, 9401), (2765, 7157), (2947, 6715)]