18738160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33461}}^1$

素因数の和:33481

約数の個数: 40

約数和(自身を含む): 49791456

約数和(自身を除く): 31053296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33461, 66922, 133844, 167305, 234227, 267688, 334610, 468454, 535376, 669220, 936908, 1171135, 1338440, 1873816, 2342270, 2676880, 3747632, 4684540, 9369080, 18738160]

約数ペア:

[(1, 18738160), (2, 9369080), (4, 4684540), (5, 3747632), (7, 2676880), (8, 2342270), (10, 1873816), (14, 1338440), (16, 1171135), (20, 936908), (28, 669220), (35, 535376), (40, 468454), (56, 334610), (70, 267688), (80, 234227), (112, 167305), (140, 133844), (280, 66922), (560, 33461)]