18899928

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 54419040

約数和(自身を除く): 35519112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 101, 113, 138, 184, 202, 207, 226, 276, 303, 339, 404, 414, 452, 552, 606, 678, 808, 828, 904, 909, 1017, 1212, 1356, 1656, 1818, 2034, 2323, 2424, 2599, 2712, 3636, 4068, 4646, 5198, 6969, 7272, 7797, 8136, 9292, 10396, 11413, 13938, 15594, 18584, 20792, 20907, 22826, 23391, 27876, 31188, 34239, 41814, 45652, 46782, 55752, 62376, 68478, 83628, 91304, 93564, 102717, 136956, 167256, 187128, 205434, 262499, 273912, 410868, 524998, 787497, 821736, 1049996, 1574994, 2099992, 2362491, 3149988, 4724982, 6299976, 9449964, 18899928]

約数ペア:

[(1, 18899928), (2, 9449964), (3, 6299976), (4, 4724982), (6, 3149988), (8, 2362491), (9, 2099992), (12, 1574994), (18, 1049996), (23, 821736), (24, 787497), (36, 524998), (46, 410868), (69, 273912), (72, 262499), (92, 205434), (101, 187128), (113, 167256), (138, 136956), (184, 102717), (202, 93564), (207, 91304), (226, 83628), (276, 68478), (303, 62376), (339, 55752), (404, 46782), (414, 45652), (452, 41814), (552, 34239), (606, 31188), (678, 27876), (808, 23391), (828, 22826), (904, 20907), (909, 20792), (1017, 18584), (1212, 15594), (1356, 13938), (1656, 11413), (1818, 10396), (2034, 9292), (2323, 8136), (2424, 7797), (2599, 7272), (2712, 6969), (3636, 5198), (4068, 4646)]