19209615

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 12892785

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 379, 465, 545, 1137, 1635, 1895, 3379, 5685, 10137, 11749, 16895, 35247, 41311, 50685, 58745, 123933, 176235, 206555, 619665, 1280641, 3841923, 6403205, 19209615]

約数ペア:

[(1, 19209615), (3, 6403205), (5, 3841923), (15, 1280641), (31, 619665), (93, 206555), (109, 176235), (155, 123933), (327, 58745), (379, 50685), (465, 41311), (545, 35247), (1137, 16895), (1635, 11749), (1895, 10137), (3379, 5685)]