19492252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 39239200

約数和(自身を除く): 19746948

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 181, 218, 247, 362, 436, 494, 724, 988, 1417, 2071, 2353, 2834, 3439, 4142, 4706, 5668, 6878, 8284, 9412, 13756, 19729, 26923, 39458, 44707, 53846, 78916, 89414, 107692, 178828, 256477, 374851, 512954, 749702, 1025908, 1499404, 4873063, 9746126, 19492252]

約数ペア:

[(1, 19492252), (2, 9746126), (4, 4873063), (13, 1499404), (19, 1025908), (26, 749702), (38, 512954), (52, 374851), (76, 256477), (109, 178828), (181, 107692), (218, 89414), (247, 78916), (362, 53846), (436, 44707), (494, 39458), (724, 26923), (988, 19729), (1417, 13756), (2071, 9412), (2353, 8284), (2834, 6878), (3439, 5668), (4142, 4706)]