18100172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 35707392

約数和(自身を除く): 17607220

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 71, 92, 142, 163, 284, 326, 391, 652, 782, 1207, 1564, 1633, 2414, 2771, 3266, 3749, 4828, 5542, 6532, 7498, 11084, 11573, 14996, 23146, 27761, 46292, 55522, 63733, 111044, 127466, 196741, 254932, 266179, 393482, 532358, 786964, 1064716, 4525043, 9050086, 18100172]

約数ペア:

[(1, 18100172), (2, 9050086), (4, 4525043), (17, 1064716), (23, 786964), (34, 532358), (46, 393482), (68, 266179), (71, 254932), (92, 196741), (142, 127466), (163, 111044), (284, 63733), (326, 55522), (391, 46292), (652, 27761), (782, 23146), (1207, 14996), (1564, 11573), (1633, 11084), (2414, 7498), (2771, 6532), (3266, 5542), (3749, 4828)]