18565964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1279}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 34406400

約数和(自身を除く): 15840436

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1279, 2558, 3629, 5116, 7258, 14516, 24301, 48602, 97204, 244289, 488578, 977156, 4641491, 9282982, 18565964]

約数ペア:

[(1, 18565964), (2, 9282982), (4, 4641491), (19, 977156), (38, 488578), (76, 244289), (191, 97204), (382, 48602), (764, 24301), (1279, 14516), (2558, 7258), (3629, 5116)]