19984384465

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1\times {\mathrm{17909}}^1$

素因数の和:21312

約数の個数: 16

約数和(自身を含む): 24347856960

約数和(自身を除く): 4363472495

約数列:

[1, 5, 67, 335, 3331, 16655, 17909, 89545, 223177, 1115885, 1199903, 5999515, 59654879, 298274395, 3996876893, 19984384465]

約数ペア:

[(1, 19984384465), (5, 3996876893), (67, 298274395), (335, 59654879), (3331, 5999515), (16655, 1199903), (17909, 1115885), (89545, 223177)]