18735808

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3249

約数の個数: 56

約数和(自身を含む): 45772832

約数和(自身を除く): 27037024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3217, 5824, 6434, 12868, 22519, 25736, 41821, 45038, 51472, 83642, 90076, 102944, 167284, 180152, 205888, 292747, 334568, 360304, 585494, 669136, 720608, 1170988, 1338272, 1441216, 2341976, 2676544, 4683952, 9367904, 18735808]

約数ペア:

[(1, 18735808), (2, 9367904), (4, 4683952), (7, 2676544), (8, 2341976), (13, 1441216), (14, 1338272), (16, 1170988), (26, 720608), (28, 669136), (32, 585494), (52, 360304), (56, 334568), (64, 292747), (91, 205888), (104, 180152), (112, 167284), (182, 102944), (208, 90076), (224, 83642), (364, 51472), (416, 45038), (448, 41821), (728, 25736), (832, 22519), (1456, 12868), (2912, 6434), (3217, 5824)]