19747332

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 55665792

約数和(自身を除く): 35918460

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 132, 141, 188, 198, 282, 396, 423, 517, 564, 846, 1034, 1061, 1551, 1692, 2068, 2122, 3102, 3183, 4244, 4653, 6204, 6366, 9306, 9549, 11671, 12732, 18612, 19098, 23342, 35013, 38196, 46684, 49867, 70026, 99734, 105039, 140052, 149601, 199468, 210078, 299202, 420156, 448803, 548537, 598404, 897606, 1097074, 1645611, 1795212, 2194148, 3291222, 4936833, 6582444, 9873666, 19747332]

約数ペア:

[(1, 19747332), (2, 9873666), (3, 6582444), (4, 4936833), (6, 3291222), (9, 2194148), (11, 1795212), (12, 1645611), (18, 1097074), (22, 897606), (33, 598404), (36, 548537), (44, 448803), (47, 420156), (66, 299202), (94, 210078), (99, 199468), (132, 149601), (141, 140052), (188, 105039), (198, 99734), (282, 70026), (396, 49867), (423, 46684), (517, 38196), (564, 35013), (846, 23342), (1034, 19098), (1061, 18612), (1551, 12732), (1692, 11671), (2068, 9549), (2122, 9306), (3102, 6366), (3183, 6204), (4244, 4653)]