18929960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67607}}^1$

素因数の和:67625

約数の個数: 32

約数和(自身を含む): 48677760

約数和(自身を除く): 29747800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67607, 135214, 270428, 338035, 473249, 540856, 676070, 946498, 1352140, 1892996, 2366245, 2704280, 3785992, 4732490, 9464980, 18929960]

約数ペア:

[(1, 18929960), (2, 9464980), (4, 4732490), (5, 3785992), (7, 2704280), (8, 2366245), (10, 1892996), (14, 1352140), (20, 946498), (28, 676070), (35, 540856), (40, 473249), (56, 338035), (70, 270428), (140, 135214), (280, 67607)]