19845532

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 21667940

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 301, 311, 371, 602, 622, 742, 1204, 1244, 1484, 2177, 2279, 4354, 4558, 8708, 9116, 13373, 15953, 16483, 26746, 31906, 32966, 53492, 63812, 65932, 93611, 115381, 187222, 230762, 374444, 461524, 708769, 1417538, 2835076, 4961383, 9922766, 19845532]

約数ペア:

[(1, 19845532), (2, 9922766), (4, 4961383), (7, 2835076), (14, 1417538), (28, 708769), (43, 461524), (53, 374444), (86, 230762), (106, 187222), (172, 115381), (212, 93611), (301, 65932), (311, 63812), (371, 53492), (602, 32966), (622, 31906), (742, 26746), (1204, 16483), (1244, 15953), (1484, 13373), (2177, 9116), (2279, 8708), (4354, 4558)]