19008080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:413

約数の個数: 120

約数和(自身を含む): 55512072

約数和(自身を除く): 36503992

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 373, 392, 455, 490, 520, 560, 637, 728, 746, 784, 910, 980, 1040, 1274, 1456, 1492, 1820, 1865, 1960, 2548, 2611, 2984, 3185, 3640, 3730, 3920, 4849, 5096, 5222, 5968, 6370, 7280, 7460, 9698, 10192, 10444, 12740, 13055, 14920, 18277, 19396, 20888, 24245, 25480, 26110, 29840, 33943, 36554, 38792, 41776, 48490, 50960, 52220, 67886, 73108, 77584, 91385, 96980, 104440, 135772, 146216, 169715, 182770, 193960, 208880, 237601, 271544, 292432, 339430, 365540, 387920, 475202, 543088, 678860, 731080, 950404, 1188005, 1357720, 1462160, 1900808, 2376010, 2715440, 3801616, 4752020, 9504040, 19008080]

約数ペア:

[(1, 19008080), (2, 9504040), (4, 4752020), (5, 3801616), (7, 2715440), (8, 2376010), (10, 1900808), (13, 1462160), (14, 1357720), (16, 1188005), (20, 950404), (26, 731080), (28, 678860), (35, 543088), (40, 475202), (49, 387920), (52, 365540), (56, 339430), (65, 292432), (70, 271544), (80, 237601), (91, 208880), (98, 193960), (104, 182770), (112, 169715), (130, 146216), (140, 135772), (182, 104440), (196, 96980), (208, 91385), (245, 77584), (260, 73108), (280, 67886), (364, 52220), (373, 50960), (392, 48490), (455, 41776), (490, 38792), (520, 36554), (560, 33943), (637, 29840), (728, 26110), (746, 25480), (784, 24245), (910, 20888), (980, 19396), (1040, 18277), (1274, 14920), (1456, 13055), (1492, 12740), (1820, 10444), (1865, 10192), (1960, 9698), (2548, 7460), (2611, 7280), (2984, 6370), (3185, 5968), (3640, 5222), (3730, 5096), (3920, 4849)]