18180270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 48

約数和(自身を含む): 47885760

約数和(自身を除く): 29705490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2557, 3555, 5114, 7110, 7671, 12785, 15342, 23013, 25570, 38355, 46026, 76710, 115065, 202003, 230130, 404006, 606009, 1010015, 1212018, 1818027, 2020030, 3030045, 3636054, 6060090, 9090135, 18180270]

約数ペア:

[(1, 18180270), (2, 9090135), (3, 6060090), (5, 3636054), (6, 3030045), (9, 2020030), (10, 1818027), (15, 1212018), (18, 1010015), (30, 606009), (45, 404006), (79, 230130), (90, 202003), (158, 115065), (237, 76710), (395, 46026), (474, 38355), (711, 25570), (790, 23013), (1185, 15342), (1422, 12785), (2370, 7671), (2557, 7110), (3555, 5114)]