19212518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 32387040

約数和(自身を除く): 13174522

約数列:

[1, 2, 13, 26, 41, 67, 82, 134, 269, 533, 538, 871, 1066, 1742, 2747, 3497, 5494, 6994, 11029, 18023, 22058, 35711, 36046, 71422, 143377, 234299, 286754, 468598, 738943, 1477886, 9606259, 19212518]

約数ペア:

[(1, 19212518), (2, 9606259), (13, 1477886), (26, 738943), (41, 468598), (67, 286754), (82, 234299), (134, 143377), (269, 71422), (533, 36046), (538, 35711), (871, 22058), (1066, 18023), (1742, 11029), (2747, 6994), (3497, 5494)]