2019021856

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{661}}^1\times {\mathrm{1801}}^1$

素因数の和:2525

約数の個数: 48

約数和(自身を含む): 4058327448

約数和(自身を除く): 2039305592

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 661, 848, 1322, 1696, 1801, 2644, 3602, 5288, 7204, 10576, 14408, 21152, 28816, 35033, 57632, 70066, 95453, 140132, 190906, 280264, 381812, 560528, 763624, 1121056, 1190461, 1527248, 2380922, 3054496, 4761844, 9523688, 19047376, 38094752, 63094433, 126188866, 252377732, 504755464, 1009510928, 2019021856]

約数ペア:

[(1, 2019021856), (2, 1009510928), (4, 504755464), (8, 252377732), (16, 126188866), (32, 63094433), (53, 38094752), (106, 19047376), (212, 9523688), (424, 4761844), (661, 3054496), (848, 2380922), (1322, 1527248), (1696, 1190461), (1801, 1121056), (2644, 763624), (3602, 560528), (5288, 381812), (7204, 280264), (10576, 190906), (14408, 140132), (21152, 95453), (28816, 70066), (35033, 57632)]