18137770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21260630

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 47, 70, 74, 94, 149, 185, 235, 259, 298, 329, 370, 470, 518, 658, 745, 1043, 1295, 1490, 1645, 1739, 2086, 2590, 3290, 3478, 5215, 5513, 7003, 8695, 10430, 11026, 12173, 14006, 17390, 24346, 27565, 35015, 38591, 49021, 55130, 60865, 70030, 77182, 98042, 121730, 192955, 245105, 259111, 385910, 490210, 518222, 1295555, 1813777, 2591110, 3627554, 9068885, 18137770]

約数ペア:

[(1, 18137770), (2, 9068885), (5, 3627554), (7, 2591110), (10, 1813777), (14, 1295555), (35, 518222), (37, 490210), (47, 385910), (70, 259111), (74, 245105), (94, 192955), (149, 121730), (185, 98042), (235, 77182), (259, 70030), (298, 60865), (329, 55130), (370, 49021), (470, 38591), (518, 35015), (658, 27565), (745, 24346), (1043, 17390), (1295, 14006), (1490, 12173), (1645, 11026), (1739, 10430), (2086, 8695), (2590, 7003), (3290, 5513), (3478, 5215)]