18699830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 35855136

約数和(自身を除く): 17155306

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 347, 634, 694, 1585, 1735, 3170, 3470, 5389, 5899, 10778, 11798, 26945, 29495, 53890, 58990, 109999, 219998, 549995, 1099990, 1869983, 3739966, 9349915, 18699830]

約数ペア:

[(1, 18699830), (2, 9349915), (5, 3739966), (10, 1869983), (17, 1099990), (34, 549995), (85, 219998), (170, 109999), (317, 58990), (347, 53890), (634, 29495), (694, 26945), (1585, 11798), (1735, 10778), (3170, 5899), (3470, 5389)]