18887928

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30878472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 479, 636, 744, 958, 1272, 1437, 1643, 1916, 2874, 3286, 3832, 4929, 5748, 6572, 9858, 11496, 13144, 14849, 19716, 25387, 29698, 39432, 44547, 50774, 59396, 76161, 89094, 101548, 118792, 152322, 178188, 203096, 304644, 356376, 609288, 786997, 1573994, 2360991, 3147988, 4721982, 6295976, 9443964, 18887928]

約数ペア:

[(1, 18887928), (2, 9443964), (3, 6295976), (4, 4721982), (6, 3147988), (8, 2360991), (12, 1573994), (24, 786997), (31, 609288), (53, 356376), (62, 304644), (93, 203096), (106, 178188), (124, 152322), (159, 118792), (186, 101548), (212, 89094), (248, 76161), (318, 59396), (372, 50774), (424, 44547), (479, 39432), (636, 29698), (744, 25387), (958, 19716), (1272, 14849), (1437, 13144), (1643, 11496), (1916, 9858), (2874, 6572), (3286, 5748), (3832, 4929)]