15905204

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4308

約数の個数: 36

約数和(自身を含む): 34090560

約数和(自身を除く): 18185356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4271, 8542, 17084, 29897, 59794, 81149, 119588, 162298, 209279, 324596, 418558, 568043, 837116, 1136086, 2272172, 3976301, 7952602, 15905204]

約数ペア:

[(1, 15905204), (2, 7952602), (4, 3976301), (7, 2272172), (14, 1136086), (19, 837116), (28, 568043), (38, 418558), (49, 324596), (76, 209279), (98, 162298), (133, 119588), (196, 81149), (266, 59794), (532, 29897), (931, 17084), (1862, 8542), (3724, 4271)]