18302980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15511}}^1$

素因数の和:15579

約数の個数: 24

約数和(自身を含む): 39090240

約数和(自身を除く): 20787260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 15511, 31022, 62044, 77555, 155110, 310220, 915149, 1830298, 3660596, 4575745, 9151490, 18302980]

約数ペア:

[(1, 18302980), (2, 9151490), (4, 4575745), (5, 3660596), (10, 1830298), (20, 915149), (59, 310220), (118, 155110), (236, 77555), (295, 62044), (590, 31022), (1180, 15511)]