19828550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 42518112

約数和(自身を除く): 22689562

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 181, 313, 350, 362, 626, 905, 1267, 1565, 1810, 2191, 2534, 3130, 4382, 4525, 6335, 7825, 9050, 10955, 12670, 15650, 21910, 31675, 54775, 56653, 63350, 109550, 113306, 283265, 396571, 566530, 793142, 1416325, 1982855, 2832650, 3965710, 9914275, 19828550]

約数ペア:

[(1, 19828550), (2, 9914275), (5, 3965710), (7, 2832650), (10, 1982855), (14, 1416325), (25, 793142), (35, 566530), (50, 396571), (70, 283265), (175, 113306), (181, 109550), (313, 63350), (350, 56653), (362, 54775), (626, 31675), (905, 21910), (1267, 15650), (1565, 12670), (1810, 10955), (2191, 9050), (2534, 7825), (3130, 6335), (4382, 4525)]