20189968138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1\times {\mathrm{6659}}^1$

素因数の和:7846

約数の個数: 32

約数和(自身を含む): 32350017600

約数和(自身を除く): 12160049462

約数列:

[1, 2, 19, 38, 73, 146, 1093, 1387, 2186, 2774, 6659, 13318, 20767, 41534, 79789, 126521, 159578, 253042, 486107, 972214, 1515991, 3031982, 7278287, 9236033, 14556574, 18472066, 138287453, 276574906, 531314951, 1062629902, 10094984069, 20189968138]

約数ペア:

[(1, 20189968138), (2, 10094984069), (19, 1062629902), (38, 531314951), (73, 276574906), (146, 138287453), (1093, 18472066), (1387, 14556574), (2186, 9236033), (2774, 7278287), (6659, 3031982), (13318, 1515991), (20767, 972214), (41534, 486107), (79789, 253042), (126521, 159578)]