19570620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{743}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 35425860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 743, 878, 1317, 1486, 1756, 2195, 2229, 2634, 2972, 3715, 4390, 4458, 5268, 6585, 7430, 8780, 8916, 11145, 13170, 14860, 22290, 26340, 44580, 326177, 652354, 978531, 1304708, 1630885, 1957062, 3261770, 3914124, 4892655, 6523540, 9785310, 19570620]

約数ペア:

[(1, 19570620), (2, 9785310), (3, 6523540), (4, 4892655), (5, 3914124), (6, 3261770), (10, 1957062), (12, 1630885), (15, 1304708), (20, 978531), (30, 652354), (60, 326177), (439, 44580), (743, 26340), (878, 22290), (1317, 14860), (1486, 13170), (1756, 11145), (2195, 8916), (2229, 8780), (2634, 7430), (2972, 6585), (3715, 5268), (4390, 4458)]