18856994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7477}}^1$

素因数の和:7589

約数の個数: 16

約数和(自身を含む): 30779448

約数和(自身を除く): 11922454

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 7477, 14954, 97201, 194402, 725269, 1450538, 9428497, 18856994]

約数ペア:

[(1, 18856994), (2, 9428497), (13, 1450538), (26, 725269), (97, 194402), (194, 97201), (1261, 14954), (2522, 7477)]