16211180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 36835680

約数和(自身を除く): 20624500

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1153, 1406, 2306, 2812, 3515, 4612, 5765, 7030, 11530, 14060, 21907, 23060, 42661, 43814, 85322, 87628, 109535, 170644, 213305, 219070, 426610, 438140, 810559, 853220, 1621118, 3242236, 4052795, 8105590, 16211180]

約数ペア:

[(1, 16211180), (2, 8105590), (4, 4052795), (5, 3242236), (10, 1621118), (19, 853220), (20, 810559), (37, 438140), (38, 426610), (74, 219070), (76, 213305), (95, 170644), (148, 109535), (185, 87628), (190, 85322), (370, 43814), (380, 42661), (703, 23060), (740, 21907), (1153, 14060), (1406, 11530), (2306, 7030), (2812, 5765), (3515, 4612)]