19103588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 40656000

約数和(自身を除く): 21552412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 241, 266, 298, 482, 532, 596, 964, 1043, 1687, 2086, 2831, 3374, 4172, 4579, 5662, 6748, 9158, 11324, 18316, 19817, 32053, 35909, 39634, 64106, 71818, 79268, 128212, 143636, 251363, 502726, 682271, 1005452, 1364542, 2729084, 4775897, 9551794, 19103588]

約数ペア:

[(1, 19103588), (2, 9551794), (4, 4775897), (7, 2729084), (14, 1364542), (19, 1005452), (28, 682271), (38, 502726), (76, 251363), (133, 143636), (149, 128212), (241, 79268), (266, 71818), (298, 64106), (482, 39634), (532, 35909), (596, 32053), (964, 19817), (1043, 18316), (1687, 11324), (2086, 9158), (2831, 6748), (3374, 5662), (4172, 4579)]