18257470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 23256002

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 131, 154, 181, 262, 362, 385, 655, 770, 905, 917, 1267, 1310, 1441, 1810, 1834, 1991, 2534, 2882, 3982, 4585, 6335, 7205, 9170, 9955, 10087, 12670, 13937, 14410, 19910, 20174, 23711, 27874, 47422, 50435, 69685, 100870, 118555, 139370, 165977, 237110, 260821, 331954, 521642, 829885, 1304105, 1659770, 1825747, 2608210, 3651494, 9128735, 18257470]

約数ペア:

[(1, 18257470), (2, 9128735), (5, 3651494), (7, 2608210), (10, 1825747), (11, 1659770), (14, 1304105), (22, 829885), (35, 521642), (55, 331954), (70, 260821), (77, 237110), (110, 165977), (131, 139370), (154, 118555), (181, 100870), (262, 69685), (362, 50435), (385, 47422), (655, 27874), (770, 23711), (905, 20174), (917, 19910), (1267, 14410), (1310, 13937), (1441, 12670), (1810, 10087), (1834, 9955), (1991, 9170), (2534, 7205), (2882, 6335), (3982, 4585)]