19025893840

素因数分解:

$2^4\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{87083}}^1$

素因数の和:89827

約数の個数: 40

約数和(自身を含む): 44251908768

約数和(自身を除く): 25226014928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2731, 5462, 10924, 13655, 21848, 27310, 43696, 54620, 87083, 109240, 174166, 218480, 348332, 435415, 696664, 870830, 1393328, 1741660, 3483320, 6966640, 237823673, 475647346, 951294692, 1189118365, 1902589384, 2378236730, 3805178768, 4756473460, 9512946920, 19025893840]

約数ペア:

[(1, 19025893840), (2, 9512946920), (4, 4756473460), (5, 3805178768), (8, 2378236730), (10, 1902589384), (16, 1189118365), (20, 951294692), (40, 475647346), (80, 237823673), (2731, 6966640), (5462, 3483320), (10924, 1741660), (13655, 1393328), (21848, 870830), (27310, 696664), (43696, 435415), (54620, 348332), (87083, 218480), (109240, 174166)]