18072572

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 40602240

約数和(自身を除く): 22529668

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 211, 266, 322, 422, 437, 532, 644, 844, 874, 931, 1127, 1477, 1748, 1862, 2254, 2954, 3059, 3724, 4009, 4508, 4853, 5908, 6118, 8018, 9706, 10339, 12236, 16036, 19412, 20678, 21413, 28063, 33971, 41356, 42826, 56126, 67942, 85652, 92207, 112252, 135884, 184414, 196441, 237797, 368828, 392882, 475594, 645449, 785764, 951188, 1290898, 2581796, 4518143, 9036286, 18072572]

約数ペア:

[(1, 18072572), (2, 9036286), (4, 4518143), (7, 2581796), (14, 1290898), (19, 951188), (23, 785764), (28, 645449), (38, 475594), (46, 392882), (49, 368828), (76, 237797), (92, 196441), (98, 184414), (133, 135884), (161, 112252), (196, 92207), (211, 85652), (266, 67942), (322, 56126), (422, 42826), (437, 41356), (532, 33971), (644, 28063), (844, 21413), (874, 20678), (931, 19412), (1127, 16036), (1477, 12236), (1748, 10339), (1862, 9706), (2254, 8018), (2954, 6118), (3059, 5908), (3724, 4853), (4009, 4508)]