12471220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 15873740

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 887, 1406, 1774, 2812, 3515, 3548, 4435, 7030, 8870, 14060, 16853, 17740, 32819, 33706, 65638, 67412, 84265, 131276, 164095, 168530, 328190, 337060, 623561, 656380, 1247122, 2494244, 3117805, 6235610, 12471220]

約数ペア:

[(1, 12471220), (2, 6235610), (4, 3117805), (5, 2494244), (10, 1247122), (19, 656380), (20, 623561), (37, 337060), (38, 328190), (74, 168530), (76, 164095), (95, 131276), (148, 84265), (185, 67412), (190, 65638), (370, 33706), (380, 32819), (703, 17740), (740, 16853), (887, 14060), (1406, 8870), (1774, 7030), (2812, 4435), (3515, 3548)]