15801388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 29257200

約数和(自身を除く): 13455812

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 809, 1028, 1618, 3236, 4883, 9766, 15371, 19532, 30742, 61484, 207913, 415826, 831652, 3950347, 7900694, 15801388]

約数ペア:

[(1, 15801388), (2, 7900694), (4, 3950347), (19, 831652), (38, 415826), (76, 207913), (257, 61484), (514, 30742), (809, 19532), (1028, 15371), (1618, 9766), (3236, 4883)]