19101990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17209}}^1$

素因数の和:17256

約数の個数: 32

約数和(自身を含む): 47086560

約数和(自身を除く): 27984570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 17209, 34418, 51627, 86045, 103254, 172090, 258135, 516270, 636733, 1273466, 1910199, 3183665, 3820398, 6367330, 9550995, 19101990]

約数ペア:

[(1, 19101990), (2, 9550995), (3, 6367330), (5, 3820398), (6, 3183665), (10, 1910199), (15, 1273466), (30, 636733), (37, 516270), (74, 258135), (111, 172090), (185, 103254), (222, 86045), (370, 51627), (555, 34418), (1110, 17209)]