19560816

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 61107696

約数和(自身を除く): 41546880

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 53, 66, 72, 88, 99, 106, 132, 144, 159, 176, 198, 212, 233, 264, 318, 396, 424, 466, 477, 528, 583, 636, 699, 792, 848, 932, 954, 1166, 1272, 1398, 1584, 1749, 1864, 1908, 2097, 2332, 2544, 2563, 2796, 3498, 3728, 3816, 4194, 4664, 5126, 5247, 5592, 6996, 7632, 7689, 8388, 9328, 10252, 10494, 11184, 12349, 13992, 15378, 16776, 20504, 20988, 23067, 24698, 27984, 30756, 33552, 37047, 41008, 41976, 46134, 49396, 61512, 74094, 83952, 92268, 98792, 111141, 123024, 135839, 148188, 184536, 197584, 222282, 271678, 296376, 369072, 407517, 444564, 543356, 592752, 815034, 889128, 1086712, 1222551, 1630068, 1778256, 2173424, 2445102, 3260136, 4890204, 6520272, 9780408, 19560816]

約数ペア:

[(1, 19560816), (2, 9780408), (3, 6520272), (4, 4890204), (6, 3260136), (8, 2445102), (9, 2173424), (11, 1778256), (12, 1630068), (16, 1222551), (18, 1086712), (22, 889128), (24, 815034), (33, 592752), (36, 543356), (44, 444564), (48, 407517), (53, 369072), (66, 296376), (72, 271678), (88, 222282), (99, 197584), (106, 184536), (132, 148188), (144, 135839), (159, 123024), (176, 111141), (198, 98792), (212, 92268), (233, 83952), (264, 74094), (318, 61512), (396, 49396), (424, 46134), (466, 41976), (477, 41008), (528, 37047), (583, 33552), (636, 30756), (699, 27984), (792, 24698), (848, 23067), (932, 20988), (954, 20504), (1166, 16776), (1272, 15378), (1398, 13992), (1584, 12349), (1749, 11184), (1864, 10494), (1908, 10252), (2097, 9328), (2332, 8388), (2544, 7689), (2563, 7632), (2796, 6996), (3498, 5592), (3728, 5247), (3816, 5126), (4194, 4664)]