19237204

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1688

約数の個数: 36

約数和(自身を含む): 39828180

約数和(自身を除く): 20590976

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1609, 1708, 2989, 3218, 5978, 6436, 11263, 11956, 22526, 45052, 78841, 98149, 157682, 196298, 315364, 392596, 687043, 1374086, 2748172, 4809301, 9618602, 19237204]

約数ペア:

[(1, 19237204), (2, 9618602), (4, 4809301), (7, 2748172), (14, 1374086), (28, 687043), (49, 392596), (61, 315364), (98, 196298), (122, 157682), (196, 98149), (244, 78841), (427, 45052), (854, 22526), (1609, 11956), (1708, 11263), (2989, 6436), (3218, 5978)]