19017908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4019}}^1$

素因数の和:4056

約数の個数: 36

約数和(自身を含む): 41196960

約数和(自身を除く): 22179052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4019, 4732, 8038, 16076, 28133, 52247, 56266, 104494, 112532, 208988, 365729, 679211, 731458, 1358422, 1462916, 2716844, 4754477, 9508954, 19017908]

約数ペア:

[(1, 19017908), (2, 9508954), (4, 4754477), (7, 2716844), (13, 1462916), (14, 1358422), (26, 731458), (28, 679211), (52, 365729), (91, 208988), (169, 112532), (182, 104494), (338, 56266), (364, 52247), (676, 28133), (1183, 16076), (2366, 8038), (4019, 4732)]