19914897405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131101}}^1$

素因数の和:131182

約数の個数: 64

約数和(自身を含む): 37002228480

約数和(自身を除く): 17087331075

約数列:

[1, 3, 5, 13, 15, 19, 39, 41, 57, 65, 95, 123, 195, 205, 247, 285, 533, 615, 741, 779, 1235, 1599, 2337, 2665, 3705, 3895, 7995, 10127, 11685, 30381, 50635, 131101, 151905, 393303, 655505, 1704313, 1966515, 2490919, 5112939, 5375141, 7472757, 8521565, 12454595, 16125423, 25564695, 26875705, 32381947, 37363785, 69876833, 80627115, 97145841, 102127679, 161909735, 209630499, 306383037, 349384165, 485729205, 510638395, 1048152495, 1327659827, 1531915185, 3982979481, 6638299135, 19914897405]

約数ペア:

[(1, 19914897405), (3, 6638299135), (5, 3982979481), (13, 1531915185), (15, 1327659827), (19, 1048152495), (39, 510638395), (41, 485729205), (57, 349384165), (65, 306383037), (95, 209630499), (123, 161909735), (195, 102127679), (205, 97145841), (247, 80627115), (285, 69876833), (533, 37363785), (615, 32381947), (741, 26875705), (779, 25564695), (1235, 16125423), (1599, 12454595), (2337, 8521565), (2665, 7472757), (3705, 5375141), (3895, 5112939), (7995, 2490919), (10127, 1966515), (11685, 1704313), (30381, 655505), (50635, 393303), (131101, 151905)]