19870206

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1051}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 41810688

約数和(自身を除く): 21940482

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 1051, 2102, 3151, 3153, 6302, 6306, 9453, 18906, 24173, 48346, 72519, 143987, 145038, 287974, 431961, 863922, 3311701, 6623402, 9935103, 19870206]

約数ペア:

[(1, 19870206), (2, 9935103), (3, 6623402), (6, 3311701), (23, 863922), (46, 431961), (69, 287974), (137, 145038), (138, 143987), (274, 72519), (411, 48346), (822, 24173), (1051, 18906), (2102, 9453), (3151, 6306), (3153, 6302)]