20171859086

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{1201}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 32764433328

約数和(自身を除く): 12592574242

約数列:

[1, 2, 19, 38, 43, 86, 361, 541, 722, 817, 1082, 1201, 1634, 2402, 10279, 15523, 20558, 22819, 23263, 31046, 45638, 46526, 51643, 103286, 195301, 390602, 433561, 441997, 649741, 867122, 883994, 981217, 1299482, 1962434, 8397943, 12345079, 16795886, 18643123, 24690158, 27938863, 37286246, 55877726, 234556501, 469113002, 530838397, 1061676794, 10085929543, 20171859086]

約数ペア:

[(1, 20171859086), (2, 10085929543), (19, 1061676794), (38, 530838397), (43, 469113002), (86, 234556501), (361, 55877726), (541, 37286246), (722, 27938863), (817, 24690158), (1082, 18643123), (1201, 16795886), (1634, 12345079), (2402, 8397943), (10279, 1962434), (15523, 1299482), (20558, 981217), (22819, 883994), (23263, 867122), (31046, 649741), (45638, 441997), (46526, 433561), (51643, 390602), (103286, 195301)]