19316180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74293}}^1$

素因数の和:74315

約数の個数: 24

約数和(自身を含む): 43684872

約数和(自身を除く): 24368692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74293, 148586, 297172, 371465, 742930, 965809, 1485860, 1931618, 3863236, 4829045, 9658090, 19316180]

約数ペア:

[(1, 19316180), (2, 9658090), (4, 4829045), (5, 3863236), (10, 1931618), (13, 1485860), (20, 965809), (26, 742930), (52, 371465), (65, 297172), (130, 148586), (260, 74293)]