19918135826

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{1201}}^1\times {\mathrm{21317}}^1$

素因数の和:22909

約数の個数: 16

約数和(自身を含む): 29980356120

約数和(自身を除く): 10062220294

約数列:

[1, 2, 389, 778, 1201, 2402, 21317, 42634, 467189, 934378, 8292313, 16584626, 25601717, 51203434, 9959067913, 19918135826]

約数ペア:

[(1, 19918135826), (2, 9959067913), (389, 51203434), (778, 25601717), (1201, 16584626), (2402, 8292313), (21317, 934378), (42634, 467189)]