19638668

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{14923}}^1$

素因数の和:14981

約数の個数: 24

約数和(自身を含む): 40115712

約数和(自身を除く): 20477044

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 14923, 29846, 59692, 104461, 208922, 417844, 701381, 1402762, 2805524, 4909667, 9819334, 19638668]

約数ペア:

[(1, 19638668), (2, 9819334), (4, 4909667), (7, 2805524), (14, 1402762), (28, 701381), (47, 417844), (94, 208922), (188, 104461), (329, 59692), (658, 29846), (1316, 14923)]