19064920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 50971680

約数和(自身を除く): 31906760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 137, 140, 142, 196, 245, 274, 280, 284, 355, 392, 490, 497, 548, 568, 685, 710, 959, 980, 994, 1096, 1370, 1420, 1918, 1960, 1988, 2485, 2740, 2840, 3479, 3836, 3976, 4795, 4970, 5480, 6713, 6958, 7672, 9590, 9727, 9940, 13426, 13916, 17395, 19180, 19454, 19880, 26852, 27832, 33565, 34790, 38360, 38908, 48635, 53704, 67130, 68089, 69580, 77816, 97270, 134260, 136178, 139160, 194540, 268520, 272356, 340445, 389080, 476623, 544712, 680890, 953246, 1361780, 1906492, 2383115, 2723560, 3812984, 4766230, 9532460, 19064920]

約数ペア:

[(1, 19064920), (2, 9532460), (4, 4766230), (5, 3812984), (7, 2723560), (8, 2383115), (10, 1906492), (14, 1361780), (20, 953246), (28, 680890), (35, 544712), (40, 476623), (49, 389080), (56, 340445), (70, 272356), (71, 268520), (98, 194540), (137, 139160), (140, 136178), (142, 134260), (196, 97270), (245, 77816), (274, 69580), (280, 68089), (284, 67130), (355, 53704), (392, 48635), (490, 38908), (497, 38360), (548, 34790), (568, 33565), (685, 27832), (710, 26852), (959, 19880), (980, 19454), (994, 19180), (1096, 17395), (1370, 13916), (1420, 13426), (1918, 9940), (1960, 9727), (1988, 9590), (2485, 7672), (2740, 6958), (2840, 6713), (3479, 5480), (3836, 4970), (3976, 4795)]