19219504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38749}}^1$

素因数の和:38788

約数の個数: 20

約数和(自身を含む): 38440000

約数和(自身を除く): 19220496

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38749, 77498, 154996, 309992, 619984, 1201219, 2402438, 4804876, 9609752, 19219504]

約数ペア:

[(1, 19219504), (2, 9609752), (4, 4804876), (8, 2402438), (16, 1201219), (31, 619984), (62, 309992), (124, 154996), (248, 77498), (496, 38749)]