19971364

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4787}}^1$

素因数の和:4947

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 20247836

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4787, 9574, 19148, 33509, 67018, 134036, 713263, 1426526, 2853052, 4992841, 9985682, 19971364]

約数ペア:

[(1, 19971364), (2, 9985682), (4, 4992841), (7, 2853052), (14, 1426526), (28, 713263), (149, 134036), (298, 67018), (596, 33509), (1043, 19148), (2086, 9574), (4172, 4787)]