19726798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{383}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 16916018

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 283, 383, 566, 766, 1981, 2681, 3679, 3962, 4979, 5362, 7358, 9958, 25753, 34853, 51506, 69706, 108389, 216778, 758723, 1409057, 1517446, 2818114, 9863399, 19726798]

約数ペア:

[(1, 19726798), (2, 9863399), (7, 2818114), (13, 1517446), (14, 1409057), (26, 758723), (91, 216778), (182, 108389), (283, 69706), (383, 51506), (566, 34853), (766, 25753), (1981, 9958), (2681, 7358), (3679, 5362), (3962, 4979)]