18240912

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 55130400

約数和(自身を除く): 36889488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 59, 72, 76, 113, 114, 118, 144, 152, 171, 177, 226, 228, 236, 304, 339, 342, 354, 452, 456, 472, 531, 678, 684, 708, 904, 912, 944, 1017, 1062, 1121, 1356, 1368, 1416, 1808, 2034, 2124, 2147, 2242, 2712, 2736, 2832, 3363, 4068, 4248, 4294, 4484, 5424, 6441, 6667, 6726, 8136, 8496, 8588, 8968, 10089, 12882, 13334, 13452, 16272, 17176, 17936, 19323, 20001, 20178, 25764, 26668, 26904, 34352, 38646, 40002, 40356, 51528, 53336, 53808, 60003, 77292, 80004, 80712, 103056, 106672, 120006, 126673, 154584, 160008, 161424, 240012, 253346, 309168, 320016, 380019, 480024, 506692, 760038, 960048, 1013384, 1140057, 1520076, 2026768, 2280114, 3040152, 4560228, 6080304, 9120456, 18240912]

約数ペア:

[(1, 18240912), (2, 9120456), (3, 6080304), (4, 4560228), (6, 3040152), (8, 2280114), (9, 2026768), (12, 1520076), (16, 1140057), (18, 1013384), (19, 960048), (24, 760038), (36, 506692), (38, 480024), (48, 380019), (57, 320016), (59, 309168), (72, 253346), (76, 240012), (113, 161424), (114, 160008), (118, 154584), (144, 126673), (152, 120006), (171, 106672), (177, 103056), (226, 80712), (228, 80004), (236, 77292), (304, 60003), (339, 53808), (342, 53336), (354, 51528), (452, 40356), (456, 40002), (472, 38646), (531, 34352), (678, 26904), (684, 26668), (708, 25764), (904, 20178), (912, 20001), (944, 19323), (1017, 17936), (1062, 17176), (1121, 16272), (1356, 13452), (1368, 13334), (1416, 12882), (1808, 10089), (2034, 8968), (2124, 8588), (2147, 8496), (2242, 8136), (2712, 6726), (2736, 6667), (2832, 6441), (3363, 5424), (4068, 4484), (4248, 4294)]