19770984

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{11939}}^1$

素因数の和:11974

約数の個数: 48

約数和(自身を含む): 55879200

約数和(自身を除く): 36108216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 11939, 23878, 35817, 47756, 71634, 95512, 107451, 143268, 214902, 274597, 286536, 429804, 549194, 823791, 859608, 1098388, 1647582, 2196776, 2471373, 3295164, 4942746, 6590328, 9885492, 19770984]

約数ペア:

[(1, 19770984), (2, 9885492), (3, 6590328), (4, 4942746), (6, 3295164), (8, 2471373), (9, 2196776), (12, 1647582), (18, 1098388), (23, 859608), (24, 823791), (36, 549194), (46, 429804), (69, 286536), (72, 274597), (92, 214902), (138, 143268), (184, 107451), (207, 95512), (276, 71634), (414, 47756), (552, 35817), (828, 23878), (1656, 11939)]