19717004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 16033396

約数列:

[1, 2, 4, 37, 74, 127, 148, 254, 508, 1049, 2098, 4196, 4699, 9398, 18796, 38813, 77626, 133223, 155252, 266446, 532892, 4929251, 9858502, 19717004]

約数ペア:

[(1, 19717004), (2, 9858502), (4, 4929251), (37, 532892), (74, 266446), (127, 155252), (148, 133223), (254, 77626), (508, 38813), (1049, 18796), (2098, 9398), (4196, 4699)]