19872112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95539}}^1$

素因数の和:95560

約数の個数: 20

約数和(自身を含む): 41464360

約数和(自身を除く): 21592248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95539, 191078, 382156, 764312, 1242007, 1528624, 2484014, 4968028, 9936056, 19872112]

約数ペア:

[(1, 19872112), (2, 9936056), (4, 4968028), (8, 2484014), (13, 1528624), (16, 1242007), (26, 764312), (52, 382156), (104, 191078), (208, 95539)]