19699295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 31034880

約数和(自身を除く): 11335585

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2693, 7315, 13465, 18851, 29623, 51167, 94255, 148115, 207361, 255835, 358169, 562837, 1036805, 1790845, 2814185, 3939859, 19699295]

約数ペア:

[(1, 19699295), (5, 3939859), (7, 2814185), (11, 1790845), (19, 1036805), (35, 562837), (55, 358169), (77, 255835), (95, 207361), (133, 148115), (209, 94255), (385, 51167), (665, 29623), (1045, 18851), (1463, 13465), (2693, 7315)]