19986204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1039}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 53580800

約数和(自身を除く): 33594596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 229, 458, 687, 916, 1039, 1374, 1603, 2078, 2748, 3117, 3206, 4156, 4809, 6234, 6412, 7273, 9618, 12468, 14546, 19236, 21819, 29092, 43638, 87276, 237931, 475862, 713793, 951724, 1427586, 1665517, 2855172, 3331034, 4996551, 6662068, 9993102, 19986204]

約数ペア:

[(1, 19986204), (2, 9993102), (3, 6662068), (4, 4996551), (6, 3331034), (7, 2855172), (12, 1665517), (14, 1427586), (21, 951724), (28, 713793), (42, 475862), (84, 237931), (229, 87276), (458, 43638), (687, 29092), (916, 21819), (1039, 19236), (1374, 14546), (1603, 12468), (2078, 9618), (2748, 7273), (3117, 6412), (3206, 6234), (4156, 4809)]