19654292

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 40338900

約数和(自身を除く): 20684608

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 673, 1043, 1346, 2086, 2692, 4172, 4711, 7301, 9422, 14602, 18844, 29204, 32977, 65954, 100277, 131908, 200554, 401108, 701939, 1403878, 2807756, 4913573, 9827146, 19654292]

約数ペア:

[(1, 19654292), (2, 9827146), (4, 4913573), (7, 2807756), (14, 1403878), (28, 701939), (49, 401108), (98, 200554), (149, 131908), (196, 100277), (298, 65954), (596, 32977), (673, 29204), (1043, 18844), (1346, 14602), (2086, 9422), (2692, 7301), (4172, 4711)]