18637976

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1381}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 40133280

約数和(自身を除く): 21495304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1381, 1687, 1928, 2762, 3374, 5524, 6748, 9667, 11048, 13496, 19334, 38668, 77336, 332821, 665642, 1331284, 2329747, 2662568, 4659494, 9318988, 18637976]

約数ペア:

[(1, 18637976), (2, 9318988), (4, 4659494), (7, 2662568), (8, 2329747), (14, 1331284), (28, 665642), (56, 332821), (241, 77336), (482, 38668), (964, 19334), (1381, 13496), (1687, 11048), (1928, 9667), (2762, 6748), (3374, 5524)]