19215661456

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{6709379}}^1$

素因数の和:6709566

約数の個数: 20

約数和(自身を含む): 37438340400

約数和(自身を除く): 18222678944

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 6709379, 13418758, 26837516, 53675032, 107350064, 1200978841, 2401957682, 4803915364, 9607830728, 19215661456]

約数ペア:

[(1, 19215661456), (2, 9607830728), (4, 4803915364), (8, 2401957682), (16, 1200978841), (179, 107350064), (358, 53675032), (716, 26837516), (1432, 13418758), (2864, 6709379)]