19800416

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6379}}^1$

素因数の和:6486

約数の個数: 24

約数和(自身を含む): 39390120

約数和(自身を除く): 19589704

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6379, 12758, 25516, 51032, 102064, 204128, 618763, 1237526, 2475052, 4950104, 9900208, 19800416]

約数ペア:

[(1, 19800416), (2, 9900208), (4, 4950104), (8, 2475052), (16, 1237526), (32, 618763), (97, 204128), (194, 102064), (388, 51032), (776, 25516), (1552, 12758), (3104, 6379)]