18744080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 46497024

約数和(自身を除く): 27752944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 167, 184, 230, 244, 305, 334, 368, 460, 488, 610, 668, 835, 920, 976, 1220, 1336, 1403, 1670, 1840, 2440, 2672, 2806, 3340, 3841, 4880, 5612, 6680, 7015, 7682, 10187, 11224, 13360, 14030, 15364, 19205, 20374, 22448, 28060, 30728, 38410, 40748, 50935, 56120, 61456, 76820, 81496, 101870, 112240, 153640, 162992, 203740, 234301, 307280, 407480, 468602, 814960, 937204, 1171505, 1874408, 2343010, 3748816, 4686020, 9372040, 18744080]

約数ペア:

[(1, 18744080), (2, 9372040), (4, 4686020), (5, 3748816), (8, 2343010), (10, 1874408), (16, 1171505), (20, 937204), (23, 814960), (40, 468602), (46, 407480), (61, 307280), (80, 234301), (92, 203740), (115, 162992), (122, 153640), (167, 112240), (184, 101870), (230, 81496), (244, 76820), (305, 61456), (334, 56120), (368, 50935), (460, 40748), (488, 38410), (610, 30728), (668, 28060), (835, 22448), (920, 20374), (976, 19205), (1220, 15364), (1336, 14030), (1403, 13360), (1670, 11224), (1840, 10187), (2440, 7682), (2672, 7015), (2806, 6680), (3340, 5612), (3841, 4880)]