18910168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2647}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 19221032

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2647, 3572, 5294, 7144, 10588, 21176, 50293, 100586, 124409, 201172, 248818, 402344, 497636, 995272, 2363771, 4727542, 9455084, 18910168]

約数ペア:

[(1, 18910168), (2, 9455084), (4, 4727542), (8, 2363771), (19, 995272), (38, 497636), (47, 402344), (76, 248818), (94, 201172), (152, 124409), (188, 100586), (376, 50293), (893, 21176), (1786, 10588), (2647, 7144), (3572, 5294)]