17971772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 39184320

約数和(自身を除く): 21212548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 509, 679, 1018, 1261, 1358, 2036, 2522, 2716, 3563, 5044, 6617, 7126, 8827, 13234, 14252, 17654, 26468, 35308, 46319, 49373, 92638, 98746, 185276, 197492, 345611, 641849, 691222, 1283698, 1382444, 2567396, 4492943, 8985886, 17971772]

約数ペア:

[(1, 17971772), (2, 8985886), (4, 4492943), (7, 2567396), (13, 1382444), (14, 1283698), (26, 691222), (28, 641849), (52, 345611), (91, 197492), (97, 185276), (182, 98746), (194, 92638), (364, 49373), (388, 46319), (509, 35308), (679, 26468), (1018, 17654), (1261, 14252), (1358, 13234), (2036, 8827), (2522, 7126), (2716, 6617), (3563, 5044)]