18173772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 49061376

約数和(自身を除く): 30887604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 467, 564, 828, 846, 934, 1081, 1401, 1692, 1868, 2162, 2802, 3243, 4203, 4324, 5604, 6486, 8406, 9729, 10741, 12972, 16812, 19458, 21482, 21949, 32223, 38916, 42964, 43898, 64446, 65847, 87796, 96669, 128892, 131694, 193338, 197541, 263388, 386676, 395082, 504827, 790164, 1009654, 1514481, 2019308, 3028962, 4543443, 6057924, 9086886, 18173772]

約数ペア:

[(1, 18173772), (2, 9086886), (3, 6057924), (4, 4543443), (6, 3028962), (9, 2019308), (12, 1514481), (18, 1009654), (23, 790164), (36, 504827), (46, 395082), (47, 386676), (69, 263388), (92, 197541), (94, 193338), (138, 131694), (141, 128892), (188, 96669), (207, 87796), (276, 65847), (282, 64446), (414, 43898), (423, 42964), (467, 38916), (564, 32223), (828, 21949), (846, 21482), (934, 19458), (1081, 16812), (1401, 12972), (1692, 10741), (1868, 9729), (2162, 8406), (2802, 6486), (3243, 5604), (4203, 4324)]