18866295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 37806912

約数和(自身を除く): 18940617

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 593, 707, 909, 1515, 1779, 2121, 2965, 3535, 4151, 4545, 5337, 6363, 8895, 10605, 12453, 20755, 26685, 31815, 37359, 59893, 62265, 179679, 186795, 299465, 419251, 539037, 898395, 1257753, 2096255, 2695185, 3773259, 6288765, 18866295]

約数ペア:

[(1, 18866295), (3, 6288765), (5, 3773259), (7, 2695185), (9, 2096255), (15, 1257753), (21, 898395), (35, 539037), (45, 419251), (63, 299465), (101, 186795), (105, 179679), (303, 62265), (315, 59893), (505, 37359), (593, 31815), (707, 26685), (909, 20755), (1515, 12453), (1779, 10605), (2121, 8895), (2965, 6363), (3535, 5337), (4151, 4545)]