19151858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1321}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 31410720

約数和(自身を除く): 12258862

約数列:

[1, 2, 11, 22, 659, 1318, 1321, 2642, 7249, 14498, 14531, 29062, 870539, 1741078, 9575929, 19151858]

約数ペア:

[(1, 19151858), (2, 9575929), (11, 1741078), (22, 870539), (659, 29062), (1318, 14531), (1321, 14498), (2642, 7249)]