20181279984

素因数分解:

$2^4\times 3^1\times {\mathrm{563}}^1\times {\mathrm{746791}}^1$

素因数の和:747365

約数の個数: 40

約数和(自身を含む): 52227645312

約数和(自身を除く): 32046365328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 563, 1126, 1689, 2252, 3378, 4504, 6756, 9008, 13512, 27024, 746791, 1493582, 2240373, 2987164, 4480746, 5974328, 8961492, 11948656, 17922984, 35845968, 420443333, 840886666, 1261329999, 1681773332, 2522659998, 3363546664, 5045319996, 6727093328, 10090639992, 20181279984]

約数ペア:

[(1, 20181279984), (2, 10090639992), (3, 6727093328), (4, 5045319996), (6, 3363546664), (8, 2522659998), (12, 1681773332), (16, 1261329999), (24, 840886666), (48, 420443333), (563, 35845968), (1126, 17922984), (1689, 11948656), (2252, 8961492), (3378, 5974328), (4504, 4480746), (6756, 2987164), (9008, 2240373), (13512, 1493582), (27024, 746791)]