19181236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 35695296

約数和(自身を除く): 16514060

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 907, 1244, 1814, 3628, 5287, 10574, 15419, 21148, 30838, 61676, 282077, 564154, 1128308, 4795309, 9590618, 19181236]

約数ペア:

[(1, 19181236), (2, 9590618), (4, 4795309), (17, 1128308), (34, 564154), (68, 282077), (311, 61676), (622, 30838), (907, 21148), (1244, 15419), (1814, 10574), (3628, 5287)]