19889930

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 17123830

約数列:

[1, 2, 5, 10, 47, 94, 101, 202, 235, 419, 470, 505, 838, 1010, 2095, 4190, 4747, 9494, 19693, 23735, 39386, 42319, 47470, 84638, 98465, 196930, 211595, 423190, 1988993, 3977986, 9944965, 19889930]

約数ペア:

[(1, 19889930), (2, 9944965), (5, 3977986), (10, 1988993), (47, 423190), (94, 211595), (101, 196930), (202, 98465), (235, 84638), (419, 47470), (470, 42319), (505, 39386), (838, 23735), (1010, 19693), (2095, 9494), (4190, 4747)]