19590890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 19090390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 739, 1205, 1478, 2410, 2651, 3695, 5302, 7390, 8129, 13255, 16258, 26510, 40645, 81290, 178099, 356198, 890495, 1780990, 1959089, 3918178, 9795445, 19590890]

約数ペア:

[(1, 19590890), (2, 9795445), (5, 3918178), (10, 1959089), (11, 1780990), (22, 890495), (55, 356198), (110, 178099), (241, 81290), (482, 40645), (739, 26510), (1205, 16258), (1478, 13255), (2410, 8129), (2651, 7390), (3695, 5302)]