19764129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 33371136

約数和(自身を除く): 13607007

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1277, 1407, 2211, 3831, 5159, 8939, 14047, 15477, 26817, 42141, 85559, 98329, 256677, 294987, 598913, 941149, 1796739, 2823447, 6588043, 19764129]

約数ペア:

[(1, 19764129), (3, 6588043), (7, 2823447), (11, 1796739), (21, 941149), (33, 598913), (67, 294987), (77, 256677), (201, 98329), (231, 85559), (469, 42141), (737, 26817), (1277, 15477), (1407, 14047), (2211, 8939), (3831, 5159)]