19747270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 39165840

約数和(自身を除く): 19418570

約数列:

[1, 2, 5, 10, 19, 37, 38, 53, 74, 95, 106, 185, 190, 265, 370, 530, 703, 1007, 1406, 1961, 2014, 2809, 3515, 3922, 5035, 5618, 7030, 9805, 10070, 14045, 19610, 28090, 37259, 53371, 74518, 103933, 106742, 186295, 207866, 266855, 372590, 519665, 533710, 1039330, 1974727, 3949454, 9873635, 19747270]

約数ペア:

[(1, 19747270), (2, 9873635), (5, 3949454), (10, 1974727), (19, 1039330), (37, 533710), (38, 519665), (53, 372590), (74, 266855), (95, 207866), (106, 186295), (185, 106742), (190, 103933), (265, 74518), (370, 53371), (530, 37259), (703, 28090), (1007, 19610), (1406, 14045), (1961, 10070), (2014, 9805), (2809, 7030), (3515, 5618), (3922, 5035)]