1821981728

素因数分解:

$2^5\times 7^1\times {\mathrm{683}}^1\times {\mathrm{11909}}^1$

素因数の和:12609

約数の個数: 48

約数和(自身を含む): 4105805760

約数和(自身を除く): 2283824032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 683, 1366, 2732, 4781, 5464, 9562, 10928, 11909, 19124, 21856, 23818, 38248, 47636, 76496, 83363, 95272, 152992, 166726, 190544, 333452, 381088, 666904, 1333808, 2667616, 8133847, 16267694, 32535388, 56936929, 65070776, 113873858, 130141552, 227747716, 260283104, 455495432, 910990864, 1821981728]

約数ペア:

[(1, 1821981728), (2, 910990864), (4, 455495432), (7, 260283104), (8, 227747716), (14, 130141552), (16, 113873858), (28, 65070776), (32, 56936929), (56, 32535388), (112, 16267694), (224, 8133847), (683, 2667616), (1366, 1333808), (2732, 666904), (4781, 381088), (5464, 333452), (9562, 190544), (10928, 166726), (11909, 152992), (19124, 95272), (21856, 83363), (23818, 76496), (38248, 47636)]