19578637897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{9209}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 24558428160

約数和(自身を除く): 4979790263

約数列:

[1, 7, 13, 61, 91, 383, 427, 793, 2681, 4979, 5551, 9209, 23363, 34853, 64463, 119717, 163541, 303719, 561749, 838019, 2126033, 3527047, 3932243, 7302737, 24689329, 45851611, 51119159, 215149867, 320961277, 1506049069, 2796948271, 19578637897]

約数ペア:

[(1, 19578637897), (7, 2796948271), (13, 1506049069), (61, 320961277), (91, 215149867), (383, 51119159), (427, 45851611), (793, 24689329), (2681, 7302737), (4979, 3932243), (5551, 3527047), (9209, 2126033), (23363, 838019), (34853, 561749), (64463, 303719), (119717, 163541)]