19642506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10949}}^1$

素因数の和:10990

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 24507894

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 10949, 21898, 32847, 65694, 142337, 251827, 284674, 427011, 503654, 755481, 854022, 1510962, 3273751, 6547502, 9821253, 19642506]

約数ペア:

[(1, 19642506), (2, 9821253), (3, 6547502), (6, 3273751), (13, 1510962), (23, 854022), (26, 755481), (39, 503654), (46, 427011), (69, 284674), (78, 251827), (138, 142337), (299, 65694), (598, 32847), (897, 21898), (1794, 10949)]