19690086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25016730

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 47, 78, 82, 94, 123, 131, 141, 246, 262, 282, 393, 533, 611, 786, 1066, 1222, 1599, 1703, 1833, 1927, 3198, 3406, 3666, 3854, 5109, 5371, 5781, 6157, 10218, 10742, 11562, 12314, 16113, 18471, 25051, 32226, 36942, 50102, 69823, 75153, 80041, 139646, 150306, 160082, 209469, 240123, 252437, 418938, 480246, 504874, 757311, 1514622, 3281681, 6563362, 9845043, 19690086]

約数ペア:

[(1, 19690086), (2, 9845043), (3, 6563362), (6, 3281681), (13, 1514622), (26, 757311), (39, 504874), (41, 480246), (47, 418938), (78, 252437), (82, 240123), (94, 209469), (123, 160082), (131, 150306), (141, 139646), (246, 80041), (262, 75153), (282, 69823), (393, 50102), (533, 36942), (611, 32226), (786, 25051), (1066, 18471), (1222, 16113), (1599, 12314), (1703, 11562), (1833, 10742), (1927, 10218), (3198, 6157), (3406, 5781), (3666, 5371), (3854, 5109)]