19833760

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1097}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 47315016

約数和(自身を除く): 27481256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1097, 1130, 1808, 2194, 2260, 3616, 4388, 4520, 5485, 8776, 9040, 10970, 17552, 18080, 21940, 35104, 43880, 87760, 123961, 175520, 247922, 495844, 619805, 991688, 1239610, 1983376, 2479220, 3966752, 4958440, 9916880, 19833760]

約数ペア:

[(1, 19833760), (2, 9916880), (4, 4958440), (5, 3966752), (8, 2479220), (10, 1983376), (16, 1239610), (20, 991688), (32, 619805), (40, 495844), (80, 247922), (113, 175520), (160, 123961), (226, 87760), (452, 43880), (565, 35104), (904, 21940), (1097, 18080), (1130, 17552), (1808, 10970), (2194, 9040), (2260, 8776), (3616, 5485), (4388, 4520)]