19642623

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 36470784

約数和(自身を除く): 16828161

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 143, 211, 217, 231, 273, 341, 403, 429, 633, 651, 1001, 1023, 1209, 1477, 2321, 2387, 2743, 2821, 3003, 4431, 4433, 6541, 6963, 7161, 8229, 8463, 13299, 16247, 19201, 19623, 30173, 31031, 45787, 48741, 57603, 71951, 85033, 90519, 93093, 137361, 211211, 215853, 255099, 503657, 595231, 633633, 935363, 1510971, 1785693, 2806089, 6547541, 19642623]

約数ペア:

[(1, 19642623), (3, 6547541), (7, 2806089), (11, 1785693), (13, 1510971), (21, 935363), (31, 633633), (33, 595231), (39, 503657), (77, 255099), (91, 215853), (93, 211211), (143, 137361), (211, 93093), (217, 90519), (231, 85033), (273, 71951), (341, 57603), (403, 48741), (429, 45787), (633, 31031), (651, 30173), (1001, 19623), (1023, 19201), (1209, 16247), (1477, 13299), (2321, 8463), (2387, 8229), (2743, 7161), (2821, 6963), (3003, 6541), (4431, 4433)]