19717178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15119302

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 1439, 2878, 6851, 13702, 18707, 24463, 37414, 44609, 48926, 89218, 318019, 579917, 636038, 758353, 1159834, 1516706, 9858589, 19717178]

約数ペア:

[(1, 19717178), (2, 9858589), (13, 1516706), (17, 1159834), (26, 758353), (31, 636038), (34, 579917), (62, 318019), (221, 89218), (403, 48926), (442, 44609), (527, 37414), (806, 24463), (1054, 18707), (1439, 13702), (2878, 6851)]