19922344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191561}}^1$

素因数の和:191580

約数の個数: 16

約数和(自身を含む): 40228020

約数和(自身を除く): 20305676

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191561, 383122, 766244, 1532488, 2490293, 4980586, 9961172, 19922344]

約数ペア:

[(1, 19922344), (2, 9961172), (4, 4980586), (8, 2490293), (13, 1532488), (26, 766244), (52, 383122), (104, 191561)]