19903796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1427}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 38144736

約数和(自身を除く): 18240940

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 1268, 1427, 2854, 3487, 5708, 6974, 13948, 15697, 31394, 62788, 452359, 904718, 1809436, 4975949, 9951898, 19903796]

約数ペア:

[(1, 19903796), (2, 9951898), (4, 4975949), (11, 1809436), (22, 904718), (44, 452359), (317, 62788), (634, 31394), (1268, 15697), (1427, 13948), (2854, 6974), (3487, 5708)]