19692496

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13829}}^1$

素因数の和:13926

約数の個数: 20

約数和(自身を含む): 38585700

約数和(自身を除く): 18893204

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13829, 27658, 55316, 110632, 221264, 1230781, 2461562, 4923124, 9846248, 19692496]

約数ペア:

[(1, 19692496), (2, 9846248), (4, 4923124), (8, 2461562), (16, 1230781), (89, 221264), (178, 110632), (356, 55316), (712, 27658), (1424, 13829)]