19712424

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 32703576

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 139, 152, 228, 278, 311, 417, 456, 556, 622, 834, 933, 1112, 1244, 1668, 1866, 2488, 2641, 3336, 3732, 5282, 5909, 7464, 7923, 10564, 11818, 15846, 17727, 21128, 23636, 31692, 35454, 43229, 47272, 63384, 70908, 86458, 129687, 141816, 172916, 259374, 345832, 518748, 821351, 1037496, 1642702, 2464053, 3285404, 4928106, 6570808, 9856212, 19712424]

約数ペア:

[(1, 19712424), (2, 9856212), (3, 6570808), (4, 4928106), (6, 3285404), (8, 2464053), (12, 1642702), (19, 1037496), (24, 821351), (38, 518748), (57, 345832), (76, 259374), (114, 172916), (139, 141816), (152, 129687), (228, 86458), (278, 70908), (311, 63384), (417, 47272), (456, 43229), (556, 35454), (622, 31692), (834, 23636), (933, 21128), (1112, 17727), (1244, 15846), (1668, 11818), (1866, 10564), (2488, 7923), (2641, 7464), (3336, 5909), (3732, 5282)]