18830080

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 46210752

約数和(自身を除く): 27380672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 313, 320, 376, 470, 626, 640, 752, 940, 1252, 1280, 1504, 1565, 1880, 2504, 3008, 3130, 3760, 5008, 6016, 6260, 7520, 10016, 12032, 12520, 14711, 15040, 20032, 25040, 29422, 30080, 40064, 50080, 58844, 60160, 73555, 80128, 100160, 117688, 147110, 200320, 235376, 294220, 400640, 470752, 588440, 941504, 1176880, 1883008, 2353760, 3766016, 4707520, 9415040, 18830080]

約数ペア:

[(1, 18830080), (2, 9415040), (4, 4707520), (5, 3766016), (8, 2353760), (10, 1883008), (16, 1176880), (20, 941504), (32, 588440), (40, 470752), (47, 400640), (64, 294220), (80, 235376), (94, 200320), (128, 147110), (160, 117688), (188, 100160), (235, 80128), (256, 73555), (313, 60160), (320, 58844), (376, 50080), (470, 40064), (626, 30080), (640, 29422), (752, 25040), (940, 20032), (1252, 15040), (1280, 14711), (1504, 12520), (1565, 12032), (1880, 10016), (2504, 7520), (3008, 6260), (3130, 6016), (3760, 5008)]