18774639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 30340800

約数和(自身を除く): 11566161

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 601, 801, 1157, 1803, 2403, 3471, 5409, 7813, 10413, 16227, 23439, 31239, 53489, 70317, 160467, 210951, 481401, 695357, 1444203, 2086071, 6258213, 18774639]

約数ペア:

[(1, 18774639), (3, 6258213), (9, 2086071), (13, 1444203), (27, 695357), (39, 481401), (89, 210951), (117, 160467), (267, 70317), (351, 53489), (601, 31239), (801, 23439), (1157, 16227), (1803, 10413), (2403, 7813), (3471, 5409)]