19727448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 54159840

約数和(自身を除く): 34432392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1193, 1272, 1378, 2067, 2386, 2756, 3579, 4134, 4772, 5512, 7158, 8268, 9544, 14316, 15509, 16536, 28632, 31018, 46527, 62036, 63229, 93054, 124072, 126458, 186108, 189687, 252916, 372216, 379374, 505832, 758748, 821977, 1517496, 1643954, 2465931, 3287908, 4931862, 6575816, 9863724, 19727448]

約数ペア:

[(1, 19727448), (2, 9863724), (3, 6575816), (4, 4931862), (6, 3287908), (8, 2465931), (12, 1643954), (13, 1517496), (24, 821977), (26, 758748), (39, 505832), (52, 379374), (53, 372216), (78, 252916), (104, 189687), (106, 186108), (156, 126458), (159, 124072), (212, 93054), (312, 63229), (318, 62036), (424, 46527), (636, 31018), (689, 28632), (1193, 16536), (1272, 15509), (1378, 14316), (2067, 9544), (2386, 8268), (2756, 7158), (3579, 5512), (4134, 4772)]