19928748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3541}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 53951744

約数和(自身を除く): 34022996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3541, 5628, 7082, 10623, 14164, 21246, 24787, 42492, 49574, 74361, 99148, 148722, 237247, 297444, 474494, 711741, 948988, 1423482, 1660729, 2846964, 3321458, 4982187, 6642916, 9964374, 19928748]

約数ペア:

[(1, 19928748), (2, 9964374), (3, 6642916), (4, 4982187), (6, 3321458), (7, 2846964), (12, 1660729), (14, 1423482), (21, 948988), (28, 711741), (42, 474494), (67, 297444), (84, 237247), (134, 148722), (201, 99148), (268, 74361), (402, 49574), (469, 42492), (804, 24787), (938, 21246), (1407, 14164), (1876, 10623), (2814, 7082), (3541, 5628)]