18737180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^3$

素因数の和:96

約数の個数: 96

約数和(自身を含む): 51287040

約数和(自身を除く): 32549860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 529, 644, 770, 805, 1012, 1058, 1265, 1540, 1610, 1771, 2116, 2530, 2645, 3220, 3542, 3703, 5060, 5290, 5819, 7084, 7406, 8855, 10580, 11638, 12167, 14812, 17710, 18515, 23276, 24334, 29095, 35420, 37030, 40733, 48668, 58190, 60835, 74060, 81466, 85169, 116380, 121670, 133837, 162932, 170338, 203665, 243340, 267674, 340676, 407330, 425845, 535348, 669185, 814660, 851690, 936859, 1338370, 1703380, 1873718, 2676740, 3747436, 4684295, 9368590, 18737180]

約数ペア:

[(1, 18737180), (2, 9368590), (4, 4684295), (5, 3747436), (7, 2676740), (10, 1873718), (11, 1703380), (14, 1338370), (20, 936859), (22, 851690), (23, 814660), (28, 669185), (35, 535348), (44, 425845), (46, 407330), (55, 340676), (70, 267674), (77, 243340), (92, 203665), (110, 170338), (115, 162932), (140, 133837), (154, 121670), (161, 116380), (220, 85169), (230, 81466), (253, 74060), (308, 60835), (322, 58190), (385, 48668), (460, 40733), (506, 37030), (529, 35420), (644, 29095), (770, 24334), (805, 23276), (1012, 18515), (1058, 17710), (1265, 14812), (1540, 12167), (1610, 11638), (1771, 10580), (2116, 8855), (2530, 7406), (2645, 7084), (3220, 5819), (3542, 5290), (3703, 5060)]