19917641235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2693393}}^1$

素因数の和:2693447

約数の個数: 32

約数和(自身を含む): 34906386240

約数和(自身を除く): 14988745005

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 2693393, 8080179, 13466965, 40400895, 45787681, 78108397, 137363043, 228938405, 234325191, 390541985, 686815215, 1171625955, 1327842749, 3983528247, 6639213745, 19917641235]

約数ペア:

[(1, 19917641235), (3, 6639213745), (5, 3983528247), (15, 1327842749), (17, 1171625955), (29, 686815215), (51, 390541985), (85, 234325191), (87, 228938405), (145, 137363043), (255, 78108397), (435, 45787681), (493, 40400895), (1479, 13466965), (2465, 8080179), (7395, 2693393)]