15219820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9883}}^1$

素因数の和:9910

約数の個数: 48

約数和(自身を含む): 39852288

約数和(自身を除く): 24632468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9883, 19766, 39532, 49415, 69181, 98830, 108713, 138362, 197660, 217426, 276724, 345905, 434852, 543565, 691810, 760991, 1087130, 1383620, 1521982, 2174260, 3043964, 3804955, 7609910, 15219820]

約数ペア:

[(1, 15219820), (2, 7609910), (4, 3804955), (5, 3043964), (7, 2174260), (10, 1521982), (11, 1383620), (14, 1087130), (20, 760991), (22, 691810), (28, 543565), (35, 434852), (44, 345905), (55, 276724), (70, 217426), (77, 197660), (110, 138362), (140, 108713), (154, 98830), (220, 69181), (308, 49415), (385, 39532), (770, 19766), (1540, 9883)]