20181858732

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11440963}}^1$

素因数の和:11440987

約数の個数: 54

約数和(自身を含む): 59344280268

約数和(自身を除く): 39162421536

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11440963, 22881926, 34322889, 45763852, 68645778, 80086741, 102968667, 137291556, 160173482, 205937334, 240260223, 320346964, 411874668, 480520446, 560607187, 720780669, 961040892, 1121214374, 1441561338, 1681821561, 2242428748, 2883122676, 3363643122, 5045464683, 6727286244, 10090929366, 20181858732]

約数ペア:

[(1, 20181858732), (2, 10090929366), (3, 6727286244), (4, 5045464683), (6, 3363643122), (7, 2883122676), (9, 2242428748), (12, 1681821561), (14, 1441561338), (18, 1121214374), (21, 961040892), (28, 720780669), (36, 560607187), (42, 480520446), (49, 411874668), (63, 320346964), (84, 240260223), (98, 205937334), (126, 160173482), (147, 137291556), (196, 102968667), (252, 80086741), (294, 68645778), (441, 45763852), (588, 34322889), (882, 22881926), (1764, 11440963)]