634377890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{19993}}^1$

素因数の和:20186

約数の個数: 32

約数和(自身を含む): 1209237120

約数和(自身を除く): 574859230

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 835, 1670, 3173, 6346, 15865, 19993, 31730, 39986, 99965, 199930, 379867, 759734, 1899335, 3338831, 3798670, 6677662, 16694155, 33388310, 63437789, 126875578, 317188945, 634377890]

約数ペア:

[(1, 634377890), (2, 317188945), (5, 126875578), (10, 63437789), (19, 33388310), (38, 16694155), (95, 6677662), (167, 3798670), (190, 3338831), (334, 1899335), (835, 759734), (1670, 379867), (3173, 199930), (6346, 99965), (15865, 39986), (19993, 31730)]