18804907821

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{773}}^1\times {\mathrm{2267}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 29617648704

約数和(自身を除く): 10812740883

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 773, 1533, 2267, 2319, 3577, 5411, 6801, 10731, 15869, 16233, 37877, 47607, 56429, 111083, 113631, 165491, 169287, 333249, 395003, 496473, 1158437, 1185009, 1752391, 2765021, 3475311, 5257173, 8109059, 8295063, 12266737, 24327177, 36800211, 85867159, 127924543, 257601477, 383773629, 895471801, 2686415403, 6268302607, 18804907821]

約数ペア:

[(1, 18804907821), (3, 6268302607), (7, 2686415403), (21, 895471801), (49, 383773629), (73, 257601477), (147, 127924543), (219, 85867159), (511, 36800211), (773, 24327177), (1533, 12266737), (2267, 8295063), (2319, 8109059), (3577, 5257173), (5411, 3475311), (6801, 2765021), (10731, 1752391), (15869, 1185009), (16233, 1158437), (37877, 496473), (47607, 395003), (56429, 333249), (111083, 169287), (113631, 165491)]