18875752

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23892248

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 59, 116, 118, 197, 203, 232, 236, 394, 406, 413, 472, 788, 812, 826, 1379, 1576, 1624, 1652, 1711, 2758, 3304, 3422, 5516, 5713, 6844, 11032, 11426, 11623, 11977, 13688, 22852, 23246, 23954, 39991, 45704, 46492, 47908, 79982, 81361, 92984, 95816, 159964, 162722, 319928, 325444, 337067, 650888, 674134, 1348268, 2359469, 2696536, 4718938, 9437876, 18875752]

約数ペア:

[(1, 18875752), (2, 9437876), (4, 4718938), (7, 2696536), (8, 2359469), (14, 1348268), (28, 674134), (29, 650888), (56, 337067), (58, 325444), (59, 319928), (116, 162722), (118, 159964), (197, 95816), (203, 92984), (232, 81361), (236, 79982), (394, 47908), (406, 46492), (413, 45704), (472, 39991), (788, 23954), (812, 23246), (826, 22852), (1379, 13688), (1576, 11977), (1624, 11623), (1652, 11426), (1711, 11032), (2758, 6844), (3304, 5713), (3422, 5516)]