19164340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73709}}^1$

素因数の和:73731

約数の個数: 24

約数和(自身を含む): 43341480

約数和(自身を除く): 24177140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73709, 147418, 294836, 368545, 737090, 958217, 1474180, 1916434, 3832868, 4791085, 9582170, 19164340]

約数ペア:

[(1, 19164340), (2, 9582170), (4, 4791085), (5, 3832868), (10, 1916434), (13, 1474180), (20, 958217), (26, 737090), (52, 368545), (65, 294836), (130, 147418), (260, 73709)]