19741670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 18784090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 839, 905, 1678, 1810, 2353, 4195, 4706, 8390, 10907, 11765, 21814, 23530, 54535, 109070, 151859, 303718, 759295, 1518590, 1974167, 3948334, 9870835, 19741670]

約数ペア:

[(1, 19741670), (2, 9870835), (5, 3948334), (10, 1974167), (13, 1518590), (26, 759295), (65, 303718), (130, 151859), (181, 109070), (362, 54535), (839, 23530), (905, 21814), (1678, 11765), (1810, 10907), (2353, 8390), (4195, 4706)]