19005194890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{269539}}^1$

素因数の和:270198

約数の個数: 32

約数和(自身を含む): 37377650880

約数和(自身を除く): 18372455990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 641, 1282, 3205, 6410, 7051, 14102, 35255, 70510, 269539, 539078, 1347695, 2695390, 2964929, 5929858, 14824645, 29649290, 172774499, 345548998, 863872495, 1727744990, 1900519489, 3801038978, 9502597445, 19005194890]

約数ペア:

[(1, 19005194890), (2, 9502597445), (5, 3801038978), (10, 1900519489), (11, 1727744990), (22, 863872495), (55, 345548998), (110, 172774499), (641, 29649290), (1282, 14824645), (3205, 5929858), (6410, 2964929), (7051, 2695390), (14102, 1347695), (35255, 539078), (70510, 269539)]