18925686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 26676234

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2609, 3627, 5218, 7254, 7827, 15654, 23481, 33917, 46962, 67834, 80879, 101751, 161758, 203502, 242637, 305253, 485274, 610506, 727911, 1051427, 1455822, 2102854, 3154281, 6308562, 9462843, 18925686]

約数ペア:

[(1, 18925686), (2, 9462843), (3, 6308562), (6, 3154281), (9, 2102854), (13, 1455822), (18, 1051427), (26, 727911), (31, 610506), (39, 485274), (62, 305253), (78, 242637), (93, 203502), (117, 161758), (186, 101751), (234, 80879), (279, 67834), (403, 46962), (558, 33917), (806, 23481), (1209, 15654), (2418, 7827), (2609, 7254), (3627, 5218)]