20903669318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{251071}}^1$

素因数の和:251412

約数の個数: 32

約数和(自身を含む): 37841571840

約数和(自身を除く): 16937902522

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 313, 626, 2191, 4382, 5947, 11894, 41629, 83258, 251071, 502142, 1757497, 3514994, 4770349, 9540698, 33392443, 66784886, 78585223, 157170446, 550096561, 1100193122, 1493119237, 2986238474, 10451834659, 20903669318]

約数ペア:

[(1, 20903669318), (2, 10451834659), (7, 2986238474), (14, 1493119237), (19, 1100193122), (38, 550096561), (133, 157170446), (266, 78585223), (313, 66784886), (626, 33392443), (2191, 9540698), (4382, 4770349), (5947, 3514994), (11894, 1757497), (41629, 502142), (83258, 251071)]