18866666

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 17330614

約数列:

[1, 2, 7, 13, 14, 26, 49, 59, 91, 98, 118, 182, 251, 413, 502, 637, 767, 826, 1274, 1534, 1757, 2891, 3263, 3514, 5369, 5782, 6526, 10738, 12299, 14809, 22841, 24598, 29618, 37583, 45682, 75166, 103663, 159887, 192517, 207326, 319774, 385034, 725641, 1347619, 1451282, 2695238, 9433333, 18866666]

約数ペア:

[(1, 18866666), (2, 9433333), (7, 2695238), (13, 1451282), (14, 1347619), (26, 725641), (49, 385034), (59, 319774), (91, 207326), (98, 192517), (118, 159887), (182, 103663), (251, 75166), (413, 45682), (502, 37583), (637, 29618), (767, 24598), (826, 22841), (1274, 14809), (1534, 12299), (1757, 10738), (2891, 6526), (3263, 5782), (3514, 5369)]