123519836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 251838720

約数和(自身を除く): 128318884

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 418, 781, 836, 1349, 1562, 2081, 2698, 3124, 4162, 5396, 8324, 14839, 22891, 29678, 39539, 45782, 59356, 79078, 91564, 147751, 158156, 295502, 434929, 591004, 869858, 1625261, 1739716, 2807269, 3250522, 5614538, 6501044, 11229076, 30879959, 61759918, 123519836]

約数ペア:

[(1, 123519836), (2, 61759918), (4, 30879959), (11, 11229076), (19, 6501044), (22, 5614538), (38, 3250522), (44, 2807269), (71, 1739716), (76, 1625261), (142, 869858), (209, 591004), (284, 434929), (418, 295502), (781, 158156), (836, 147751), (1349, 91564), (1562, 79078), (2081, 59356), (2698, 45782), (3124, 39539), (4162, 29678), (5396, 22891), (8324, 14839)]