19389128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2789}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20786872

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2789, 3476, 5578, 6952, 11156, 22312, 30679, 61358, 122716, 220331, 245432, 440662, 881324, 1762648, 2423641, 4847282, 9694564, 19389128]

約数ペア:

[(1, 19389128), (2, 9694564), (4, 4847282), (8, 2423641), (11, 1762648), (22, 881324), (44, 440662), (79, 245432), (88, 220331), (158, 122716), (316, 61358), (632, 30679), (869, 22312), (1738, 11156), (2789, 6952), (3476, 5578)]