19286620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 42325920

約数和(自身を除く): 23039300

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 185, 268, 335, 370, 389, 670, 740, 778, 1340, 1556, 1945, 2479, 3890, 4958, 7780, 9916, 12395, 14393, 24790, 26063, 28786, 49580, 52126, 57572, 71965, 104252, 130315, 143930, 260630, 287860, 521260, 964331, 1928662, 3857324, 4821655, 9643310, 19286620]

約数ペア:

[(1, 19286620), (2, 9643310), (4, 4821655), (5, 3857324), (10, 1928662), (20, 964331), (37, 521260), (67, 287860), (74, 260630), (134, 143930), (148, 130315), (185, 104252), (268, 71965), (335, 57572), (370, 52126), (389, 49580), (670, 28786), (740, 26063), (778, 24790), (1340, 14393), (1556, 12395), (1945, 9916), (2479, 7780), (3890, 4958)]