19308718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 34306272

約数和(自身を除く): 14997554

約数列:

[1, 2, 11, 13, 22, 26, 143, 181, 286, 362, 373, 746, 1991, 2353, 3982, 4103, 4706, 4849, 8206, 9698, 25883, 51766, 53339, 67513, 106678, 135026, 742643, 877669, 1485286, 1755338, 9654359, 19308718]

約数ペア:

[(1, 19308718), (2, 9654359), (11, 1755338), (13, 1485286), (22, 877669), (26, 742643), (143, 135026), (181, 106678), (286, 67513), (362, 53339), (373, 51766), (746, 25883), (1991, 9698), (2353, 8206), (3982, 4849), (4103, 4706)]