19491390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{216571}}^1$

素因数の和:216584

約数の個数: 24

約数和(自身を含む): 50677848

約数和(自身を除く): 31186458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 216571, 433142, 649713, 1082855, 1299426, 1949139, 2165710, 3248565, 3898278, 6497130, 9745695, 19491390]

約数ペア:

[(1, 19491390), (2, 9745695), (3, 6497130), (5, 3898278), (6, 3248565), (9, 2165710), (10, 1949139), (15, 1299426), (18, 1082855), (30, 649713), (45, 433142), (90, 216571)]