18390911462

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{23041}}^1$

素因数の和:23205

約数の個数: 64

約数和(自身を含む): 35357119488

約数和(自身を除く): 16966208026

約数列:

[1, 2, 7, 11, 14, 22, 71, 73, 77, 142, 146, 154, 497, 511, 781, 803, 994, 1022, 1562, 1606, 5183, 5467, 5621, 10366, 10934, 11242, 23041, 36281, 46082, 57013, 72562, 114026, 161287, 253451, 322574, 399091, 506902, 798182, 1635911, 1681993, 1774157, 3271822, 3363986, 3548314, 11451377, 11773951, 17995021, 18501923, 22902754, 23547902, 35990042, 37003846, 119421503, 125965147, 129513461, 238843006, 251930294, 259026922, 835950521, 1313636533, 1671901042, 2627273066, 9195455731, 18390911462]

約数ペア:

[(1, 18390911462), (2, 9195455731), (7, 2627273066), (11, 1671901042), (14, 1313636533), (22, 835950521), (71, 259026922), (73, 251930294), (77, 238843006), (142, 129513461), (146, 125965147), (154, 119421503), (497, 37003846), (511, 35990042), (781, 23547902), (803, 22902754), (994, 18501923), (1022, 17995021), (1562, 11773951), (1606, 11451377), (5183, 3548314), (5467, 3363986), (5621, 3271822), (10366, 1774157), (10934, 1681993), (11242, 1635911), (23041, 798182), (36281, 506902), (46082, 399091), (57013, 322574), (72562, 253451), (114026, 161287)]