19841944

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 38132640

約数和(自身を除く): 18290696

約数列:

[1, 2, 4, 8, 71, 142, 181, 193, 284, 362, 386, 568, 724, 772, 1448, 1544, 12851, 13703, 25702, 27406, 34933, 51404, 54812, 69866, 102808, 109624, 139732, 279464, 2480243, 4960486, 9920972, 19841944]

約数ペア:

[(1, 19841944), (2, 9920972), (4, 4960486), (8, 2480243), (71, 279464), (142, 139732), (181, 109624), (193, 102808), (284, 69866), (362, 54812), (386, 51404), (568, 34933), (724, 27406), (772, 25702), (1448, 13703), (1544, 12851)]