19109805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 17662035

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 59, 65, 143, 151, 165, 177, 195, 295, 429, 453, 649, 715, 755, 767, 885, 1661, 1947, 1963, 2145, 2265, 2301, 3245, 3835, 4983, 5889, 8305, 8437, 8909, 9735, 9815, 11505, 21593, 24915, 25311, 26727, 29445, 42185, 44545, 64779, 97999, 107965, 115817, 126555, 133635, 293997, 323895, 347451, 489995, 579085, 1273987, 1469985, 1737255, 3821961, 6369935, 19109805]

約数ペア:

[(1, 19109805), (3, 6369935), (5, 3821961), (11, 1737255), (13, 1469985), (15, 1273987), (33, 579085), (39, 489995), (55, 347451), (59, 323895), (65, 293997), (143, 133635), (151, 126555), (165, 115817), (177, 107965), (195, 97999), (295, 64779), (429, 44545), (453, 42185), (649, 29445), (715, 26727), (755, 25311), (767, 24915), (885, 21593), (1661, 11505), (1947, 9815), (1963, 9735), (2145, 8909), (2265, 8437), (2301, 8305), (3245, 5889), (3835, 4983)]