16520796

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 43709120

約数和(自身を除く): 27188324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 157, 158, 222, 237, 314, 316, 333, 444, 471, 474, 628, 666, 711, 942, 948, 1332, 1413, 1422, 1884, 2826, 2844, 2923, 5652, 5809, 5846, 8769, 11618, 11692, 12403, 17427, 17538, 23236, 24806, 26307, 34854, 35076, 37209, 49612, 52281, 52614, 69708, 74418, 104562, 105228, 111627, 148836, 209124, 223254, 446508, 458911, 917822, 1376733, 1835644, 2753466, 4130199, 5506932, 8260398, 16520796]

約数ペア:

[(1, 16520796), (2, 8260398), (3, 5506932), (4, 4130199), (6, 2753466), (9, 1835644), (12, 1376733), (18, 917822), (36, 458911), (37, 446508), (74, 223254), (79, 209124), (111, 148836), (148, 111627), (157, 105228), (158, 104562), (222, 74418), (237, 69708), (314, 52614), (316, 52281), (333, 49612), (444, 37209), (471, 35076), (474, 34854), (628, 26307), (666, 24806), (711, 23236), (942, 17538), (948, 17427), (1332, 12403), (1413, 11692), (1422, 11618), (1884, 8769), (2826, 5846), (2844, 5809), (2923, 5652)]