19754262339

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{27611}}^1$

素因数の和:27816

約数の個数: 48

約数和(自身を含む): 31830230016

約数和(自身を除く): 12075967677

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 157, 217, 471, 651, 1099, 1519, 3297, 4557, 4867, 7693, 14601, 23079, 27611, 34069, 82833, 102207, 193277, 238483, 579831, 715449, 855941, 1352939, 2567823, 4058817, 4334927, 5991587, 13004781, 17974761, 30344489, 41941109, 91033467, 125823327, 134382737, 212411423, 403148211, 637234269, 940679159, 2822037477, 6584754113, 19754262339]

約数ペア:

[(1, 19754262339), (3, 6584754113), (7, 2822037477), (21, 940679159), (31, 637234269), (49, 403148211), (93, 212411423), (147, 134382737), (157, 125823327), (217, 91033467), (471, 41941109), (651, 30344489), (1099, 17974761), (1519, 13004781), (3297, 5991587), (4557, 4334927), (4867, 4058817), (7693, 2567823), (14601, 1352939), (23079, 855941), (27611, 715449), (34069, 579831), (82833, 238483), (102207, 193277)]