18099620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 51020928

約数和(自身を除く): 32921308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 73, 77, 92, 98, 110, 115, 140, 146, 154, 161, 196, 220, 230, 245, 253, 292, 308, 322, 365, 385, 460, 490, 506, 511, 539, 644, 730, 770, 803, 805, 980, 1012, 1022, 1078, 1127, 1265, 1460, 1540, 1606, 1610, 1679, 1771, 2044, 2156, 2254, 2530, 2555, 2695, 3212, 3220, 3358, 3542, 3577, 4015, 4508, 5060, 5110, 5390, 5621, 5635, 6716, 7084, 7154, 8030, 8395, 8855, 10220, 10780, 11242, 11270, 11753, 12397, 14308, 16060, 16790, 17710, 17885, 18469, 22484, 22540, 23506, 24794, 28105, 33580, 35420, 35770, 36938, 39347, 47012, 49588, 56210, 58765, 61985, 71540, 73876, 78694, 82271, 92345, 112420, 117530, 123970, 129283, 157388, 164542, 184690, 196735, 235060, 247940, 258566, 329084, 369380, 393470, 411355, 517132, 646415, 786940, 822710, 904981, 1292830, 1645420, 1809962, 2585660, 3619924, 4524905, 9049810, 18099620]

約数ペア:

[(1, 18099620), (2, 9049810), (4, 4524905), (5, 3619924), (7, 2585660), (10, 1809962), (11, 1645420), (14, 1292830), (20, 904981), (22, 822710), (23, 786940), (28, 646415), (35, 517132), (44, 411355), (46, 393470), (49, 369380), (55, 329084), (70, 258566), (73, 247940), (77, 235060), (92, 196735), (98, 184690), (110, 164542), (115, 157388), (140, 129283), (146, 123970), (154, 117530), (161, 112420), (196, 92345), (220, 82271), (230, 78694), (245, 73876), (253, 71540), (292, 61985), (308, 58765), (322, 56210), (365, 49588), (385, 47012), (460, 39347), (490, 36938), (506, 35770), (511, 35420), (539, 33580), (644, 28105), (730, 24794), (770, 23506), (803, 22540), (805, 22484), (980, 18469), (1012, 17885), (1022, 17710), (1078, 16790), (1127, 16060), (1265, 14308), (1460, 12397), (1540, 11753), (1606, 11270), (1610, 11242), (1679, 10780), (1771, 10220), (2044, 8855), (2156, 8395), (2254, 8030), (2530, 7154), (2555, 7084), (2695, 6716), (3212, 5635), (3220, 5621), (3358, 5390), (3542, 5110), (3577, 5060), (4015, 4508)]