19825312479

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{417173}}^1$

素因数の和:417287

約数の個数: 32

約数和(自身を含む): 31611777024

約数和(自身を除く): 11786464545

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 2263, 6789, 15841, 47523, 417173, 1251519, 2920211, 8760633, 12932363, 30453629, 38797089, 90526541, 91360887, 213175403, 271579623, 639526209, 944062499, 2832187497, 6608437493, 19825312479]

約数ペア:

[(1, 19825312479), (3, 6608437493), (7, 2832187497), (21, 944062499), (31, 639526209), (73, 271579623), (93, 213175403), (217, 91360887), (219, 90526541), (511, 38797089), (651, 30453629), (1533, 12932363), (2263, 8760633), (6789, 2920211), (15841, 1251519), (47523, 417173)]