19358768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8493

約数の個数: 40

約数和(自身を含む): 44070096

約数和(自身を除く): 24711328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8461, 16922, 33844, 67688, 93071, 109993, 135376, 186142, 219986, 372284, 439972, 744568, 879944, 1209923, 1489136, 1759888, 2419846, 4839692, 9679384, 19358768]

約数ペア:

[(1, 19358768), (2, 9679384), (4, 4839692), (8, 2419846), (11, 1759888), (13, 1489136), (16, 1209923), (22, 879944), (26, 744568), (44, 439972), (52, 372284), (88, 219986), (104, 186142), (143, 135376), (176, 109993), (208, 93071), (286, 67688), (572, 33844), (1144, 16922), (2288, 8461)]