19186388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5507}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 36705312

約数和(自身を除く): 17518924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5507, 11014, 22028, 71591, 143182, 286364, 368969, 737938, 1475876, 4796597, 9593194, 19186388]

約数ペア:

[(1, 19186388), (2, 9593194), (4, 4796597), (13, 1475876), (26, 737938), (52, 368969), (67, 286364), (134, 143182), (268, 71591), (871, 22028), (1742, 11014), (3484, 5507)]