19684616

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1013}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 42344640

約数和(自身を除く): 22660024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1013, 1388, 2026, 2429, 2776, 4052, 4858, 7091, 8104, 9716, 14182, 19432, 28364, 56728, 351511, 703022, 1406044, 2460577, 2812088, 4921154, 9842308, 19684616]

約数ペア:

[(1, 19684616), (2, 9842308), (4, 4921154), (7, 2812088), (8, 2460577), (14, 1406044), (28, 703022), (56, 351511), (347, 56728), (694, 28364), (1013, 19432), (1388, 14182), (2026, 9716), (2429, 8104), (2776, 7091), (4052, 4858)]