19577467

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 25894400

約数和(自身を除く): 6316933

約数列:

[1, 7, 13, 19, 67, 91, 133, 169, 247, 469, 871, 1183, 1273, 1729, 2197, 3211, 6097, 8911, 11323, 15379, 16549, 22477, 41743, 79261, 115843, 147199, 215137, 292201, 1030393, 1505959, 2796781, 19577467]

約数ペア:

[(1, 19577467), (7, 2796781), (13, 1505959), (19, 1030393), (67, 292201), (91, 215137), (133, 147199), (169, 115843), (247, 79261), (469, 41743), (871, 22477), (1183, 16549), (1273, 15379), (1729, 11323), (2197, 8911), (3211, 6097)]