19973536

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 23299904

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 179, 317, 352, 358, 634, 716, 1268, 1432, 1969, 2536, 2864, 3487, 3938, 5072, 5728, 6974, 7876, 10144, 13948, 15752, 27896, 31504, 55792, 56743, 63008, 111584, 113486, 226972, 453944, 624173, 907888, 1248346, 1815776, 2496692, 4993384, 9986768, 19973536]

約数ペア:

[(1, 19973536), (2, 9986768), (4, 4993384), (8, 2496692), (11, 1815776), (16, 1248346), (22, 907888), (32, 624173), (44, 453944), (88, 226972), (176, 113486), (179, 111584), (317, 63008), (352, 56743), (358, 55792), (634, 31504), (716, 27896), (1268, 15752), (1432, 13948), (1969, 10144), (2536, 7876), (2864, 6974), (3487, 5728), (3938, 5072)]