19897696

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6833}}^1$

素因数の和:6863

約数の個数: 48

約数和(自身を含む): 48220704

約数和(自身を除く): 28323008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6833, 13666, 27332, 47831, 54664, 88829, 95662, 109328, 177658, 191324, 218656, 355316, 382648, 621803, 710632, 765296, 1243606, 1421264, 1530592, 2487212, 2842528, 4974424, 9948848, 19897696]

約数ペア:

[(1, 19897696), (2, 9948848), (4, 4974424), (7, 2842528), (8, 2487212), (13, 1530592), (14, 1421264), (16, 1243606), (26, 765296), (28, 710632), (32, 621803), (52, 382648), (56, 355316), (91, 218656), (104, 191324), (112, 177658), (182, 109328), (208, 95662), (224, 88829), (364, 54664), (416, 47831), (728, 27332), (1456, 13666), (2912, 6833)]