18604116

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31846284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 461, 531, 684, 708, 922, 1062, 1121, 1383, 1844, 2124, 2242, 2766, 3363, 4149, 4484, 5532, 6726, 8298, 8759, 10089, 13452, 16596, 17518, 20178, 26277, 27199, 35036, 40356, 52554, 54398, 78831, 81597, 105108, 108796, 157662, 163194, 244791, 315324, 326388, 489582, 516781, 979164, 1033562, 1550343, 2067124, 3100686, 4651029, 6201372, 9302058, 18604116]

約数ペア:

[(1, 18604116), (2, 9302058), (3, 6201372), (4, 4651029), (6, 3100686), (9, 2067124), (12, 1550343), (18, 1033562), (19, 979164), (36, 516781), (38, 489582), (57, 326388), (59, 315324), (76, 244791), (114, 163194), (118, 157662), (171, 108796), (177, 105108), (228, 81597), (236, 78831), (342, 54398), (354, 52554), (461, 40356), (531, 35036), (684, 27199), (708, 26277), (922, 20178), (1062, 17518), (1121, 16596), (1383, 13452), (1844, 10089), (2124, 8759), (2242, 8298), (2766, 6726), (3363, 5532), (4149, 4484)]