19687896

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2819}}^1$

素因数の和:2928

約数の個数: 48

約数和(自身を含む): 53890200

約数和(自身を除く): 34202304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2819, 3492, 5638, 6984, 8457, 11276, 16914, 22552, 25371, 33828, 50742, 67656, 101484, 202968, 273443, 546886, 820329, 1093772, 1640658, 2187544, 2460987, 3281316, 4921974, 6562632, 9843948, 19687896]

約数ペア:

[(1, 19687896), (2, 9843948), (3, 6562632), (4, 4921974), (6, 3281316), (8, 2460987), (9, 2187544), (12, 1640658), (18, 1093772), (24, 820329), (36, 546886), (72, 273443), (97, 202968), (194, 101484), (291, 67656), (388, 50742), (582, 33828), (776, 25371), (873, 22552), (1164, 16914), (1746, 11276), (2328, 8457), (2819, 6984), (3492, 5638)]