19439836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1321}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 36793904

約数和(自身を除く): 17354068

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1132, 1321, 2642, 3679, 5284, 7358, 14716, 17173, 34346, 68692, 373843, 747686, 1495372, 4859959, 9719918, 19439836]

約数ペア:

[(1, 19439836), (2, 9719918), (4, 4859959), (13, 1495372), (26, 747686), (52, 373843), (283, 68692), (566, 34346), (1132, 17173), (1321, 14716), (2642, 7358), (3679, 5284)]