19639750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6043}}^1$

素因数の和:6073

約数の個数: 32

約数和(自身を含む): 39600288

約数和(自身を除く): 19960538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6043, 12086, 30215, 60430, 78559, 151075, 157118, 302150, 392795, 755375, 785590, 1510750, 1963975, 3927950, 9819875, 19639750]

約数ペア:

[(1, 19639750), (2, 9819875), (5, 3927950), (10, 1963975), (13, 1510750), (25, 785590), (26, 755375), (50, 392795), (65, 302150), (125, 157118), (130, 151075), (250, 78559), (325, 60430), (650, 30215), (1625, 12086), (3250, 6043)]