19346288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 40632816

約数和(自身を除く): 21286528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 331, 562, 662, 1124, 1324, 2248, 2648, 3653, 4303, 4496, 5296, 7306, 8606, 14612, 17212, 29224, 34424, 58448, 68848, 93011, 186022, 372044, 744088, 1209143, 1488176, 2418286, 4836572, 9673144, 19346288]

約数ペア:

[(1, 19346288), (2, 9673144), (4, 4836572), (8, 2418286), (13, 1488176), (16, 1209143), (26, 744088), (52, 372044), (104, 186022), (208, 93011), (281, 68848), (331, 58448), (562, 34424), (662, 29224), (1124, 17212), (1324, 14612), (2248, 8606), (2648, 7306), (3653, 5296), (4303, 4496)]