19515690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{216841}}^1$

素因数の和:216854

約数の個数: 24

約数和(自身を含む): 50741028

約数和(自身を除く): 31225338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 216841, 433682, 650523, 1084205, 1301046, 1951569, 2168410, 3252615, 3903138, 6505230, 9757845, 19515690]

約数ペア:

[(1, 19515690), (2, 9757845), (3, 6505230), (5, 3903138), (6, 3252615), (9, 2168410), (10, 1951569), (15, 1301046), (18, 1084205), (30, 650523), (45, 433682), (90, 216841)]