18998560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16963}}^1$

素因数の和:16985

約数の個数: 48

約数和(自身を含む): 51299136

約数和(自身を除く): 32300576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16963, 33926, 67852, 84815, 118741, 135704, 169630, 237482, 271408, 339260, 474964, 542816, 593705, 678520, 949928, 1187410, 1357040, 1899856, 2374820, 2714080, 3799712, 4749640, 9499280, 18998560]

約数ペア:

[(1, 18998560), (2, 9499280), (4, 4749640), (5, 3799712), (7, 2714080), (8, 2374820), (10, 1899856), (14, 1357040), (16, 1187410), (20, 949928), (28, 678520), (32, 593705), (35, 542816), (40, 474964), (56, 339260), (70, 271408), (80, 237482), (112, 169630), (140, 135704), (160, 118741), (224, 84815), (280, 67852), (560, 33926), (1120, 16963)]