19843960

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1753}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 44832240

約数和(自身を除く): 24988280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1753, 2264, 2830, 3506, 5660, 7012, 8765, 11320, 14024, 17530, 35060, 70120, 496099, 992198, 1984396, 2480495, 3968792, 4960990, 9921980, 19843960]

約数ペア:

[(1, 19843960), (2, 9921980), (4, 4960990), (5, 3968792), (8, 2480495), (10, 1984396), (20, 992198), (40, 496099), (283, 70120), (566, 35060), (1132, 17530), (1415, 14024), (1753, 11320), (2264, 8765), (2830, 7012), (3506, 5660)]