18160792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 39029760

約数和(自身を除く): 20868968

約数列:

[1, 2, 4, 8, 13, 26, 31, 43, 52, 62, 86, 104, 124, 131, 172, 248, 262, 344, 403, 524, 559, 806, 1048, 1118, 1333, 1612, 1703, 2236, 2666, 3224, 3406, 4061, 4472, 5332, 5633, 6812, 8122, 10664, 11266, 13624, 16244, 17329, 22532, 32488, 34658, 45064, 52793, 69316, 73229, 105586, 138632, 146458, 174623, 211172, 292916, 349246, 422344, 585832, 698492, 1396984, 2270099, 4540198, 9080396, 18160792]

約数ペア:

[(1, 18160792), (2, 9080396), (4, 4540198), (8, 2270099), (13, 1396984), (26, 698492), (31, 585832), (43, 422344), (52, 349246), (62, 292916), (86, 211172), (104, 174623), (124, 146458), (131, 138632), (172, 105586), (248, 73229), (262, 69316), (344, 52793), (403, 45064), (524, 34658), (559, 32488), (806, 22532), (1048, 17329), (1118, 16244), (1333, 13624), (1612, 11266), (1703, 10664), (2236, 8122), (2666, 6812), (3224, 5633), (3406, 5332), (4061, 4472)]