19815276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 51152864

約数和(自身を除く): 31337588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3433, 5772, 6866, 10299, 13732, 20598, 41196, 44629, 89258, 127021, 133887, 178516, 254042, 267774, 381063, 508084, 535548, 762126, 1524252, 1651273, 3302546, 4953819, 6605092, 9907638, 19815276]

約数ペア:

[(1, 19815276), (2, 9907638), (3, 6605092), (4, 4953819), (6, 3302546), (12, 1651273), (13, 1524252), (26, 762126), (37, 535548), (39, 508084), (52, 381063), (74, 267774), (78, 254042), (111, 178516), (148, 133887), (156, 127021), (222, 89258), (444, 44629), (481, 41196), (962, 20598), (1443, 13732), (1924, 10299), (2886, 6866), (3433, 5772)]