20191528

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 46375200

約数和(自身を除く): 26183672

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2711, 3724, 5422, 7448, 10844, 18977, 21688, 37954, 51509, 75908, 103018, 132839, 151816, 206036, 265678, 360563, 412072, 531356, 721126, 1062712, 1442252, 2523941, 2884504, 5047882, 10095764, 20191528]

約数ペア:

[(1, 20191528), (2, 10095764), (4, 5047882), (7, 2884504), (8, 2523941), (14, 1442252), (19, 1062712), (28, 721126), (38, 531356), (49, 412072), (56, 360563), (76, 265678), (98, 206036), (133, 151816), (152, 132839), (196, 103018), (266, 75908), (392, 51509), (532, 37954), (931, 21688), (1064, 18977), (1862, 10844), (2711, 7448), (3724, 5422)]