2018321812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{3881}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 3885012432

約数和(自身を除く): 1866690620

約数列:

[1, 2, 4, 13, 26, 52, 73, 137, 146, 274, 292, 548, 949, 1781, 1898, 3562, 3796, 3881, 7124, 7762, 10001, 15524, 20002, 40004, 50453, 100906, 130013, 201812, 260026, 283313, 520052, 531697, 566626, 1063394, 1133252, 2126788, 3683069, 6912061, 7366138, 13824122, 14732276, 27648244, 38813881, 77627762, 155255524, 504580453, 1009160906, 2018321812]

約数ペア:

[(1, 2018321812), (2, 1009160906), (4, 504580453), (13, 155255524), (26, 77627762), (52, 38813881), (73, 27648244), (137, 14732276), (146, 13824122), (274, 7366138), (292, 6912061), (548, 3683069), (949, 2126788), (1781, 1133252), (1898, 1063394), (3562, 566626), (3796, 531697), (3881, 520052), (7124, 283313), (7762, 260026), (10001, 201812), (15524, 130013), (20002, 100906), (40004, 50453)]