19936504

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{617}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 42864480

約数和(自身を除く): 22927976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 617, 1154, 1234, 2308, 2468, 4039, 4319, 4616, 4936, 8078, 8638, 16156, 17276, 32312, 34552, 356009, 712018, 1424036, 2492063, 2848072, 4984126, 9968252, 19936504]

約数ペア:

[(1, 19936504), (2, 9968252), (4, 4984126), (7, 2848072), (8, 2492063), (14, 1424036), (28, 712018), (56, 356009), (577, 34552), (617, 32312), (1154, 17276), (1234, 16156), (2308, 8638), (2468, 8078), (4039, 4936), (4319, 4616)]