19406660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10692

約数の個数: 48

約数和(自身を含む): 50163456

約数和(自身を除く): 30756796

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10663, 21326, 42652, 53315, 74641, 106630, 138619, 149282, 213260, 277238, 298564, 373205, 554476, 693095, 746410, 970333, 1386190, 1492820, 1940666, 2772380, 3881332, 4851665, 9703330, 19406660]

約数ペア:

[(1, 19406660), (2, 9703330), (4, 4851665), (5, 3881332), (7, 2772380), (10, 1940666), (13, 1492820), (14, 1386190), (20, 970333), (26, 746410), (28, 693095), (35, 554476), (52, 373205), (65, 298564), (70, 277238), (91, 213260), (130, 149282), (140, 138619), (182, 106630), (260, 74641), (364, 53315), (455, 42652), (910, 21326), (1820, 10663)]