17938052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 36960000

約数和(自身を除く): 19021948

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 499, 817, 836, 946, 998, 1634, 1892, 1996, 3268, 5489, 8987, 9481, 10978, 17974, 18962, 21457, 21956, 35948, 37924, 42914, 85828, 104291, 208582, 236027, 407683, 417164, 472054, 815366, 944108, 1630732, 4484513, 8969026, 17938052]

約数ペア:

[(1, 17938052), (2, 8969026), (4, 4484513), (11, 1630732), (19, 944108), (22, 815366), (38, 472054), (43, 417164), (44, 407683), (76, 236027), (86, 208582), (172, 104291), (209, 85828), (418, 42914), (473, 37924), (499, 35948), (817, 21956), (836, 21457), (946, 18962), (998, 17974), (1634, 10978), (1892, 9481), (1996, 8987), (3268, 5489)]