19264496

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2311}}^1$

素因数の和:2840

約数の個数: 20

約数和(自身を含む): 37412784

約数和(自身を除く): 18148288

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2311, 4168, 4622, 8336, 9244, 18488, 36976, 1204031, 2408062, 4816124, 9632248, 19264496]

約数ペア:

[(1, 19264496), (2, 9632248), (4, 4816124), (8, 2408062), (16, 1204031), (521, 36976), (1042, 18488), (2084, 9244), (2311, 8336), (4168, 4622)]