19981296

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 80

約数和(自身を含む): 59877120

約数和(自身を除く): 39895824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2011, 2484, 3312, 4022, 4968, 6033, 8044, 9936, 12066, 16088, 18099, 24132, 32176, 36198, 46253, 48264, 54297, 72396, 92506, 96528, 108594, 138759, 144792, 185012, 217188, 277518, 289584, 370024, 416277, 434376, 555036, 740048, 832554, 868752, 1110072, 1248831, 1665108, 2220144, 2497662, 3330216, 4995324, 6660432, 9990648, 19981296]

約数ペア:

[(1, 19981296), (2, 9990648), (3, 6660432), (4, 4995324), (6, 3330216), (8, 2497662), (9, 2220144), (12, 1665108), (16, 1248831), (18, 1110072), (23, 868752), (24, 832554), (27, 740048), (36, 555036), (46, 434376), (48, 416277), (54, 370024), (69, 289584), (72, 277518), (92, 217188), (108, 185012), (138, 144792), (144, 138759), (184, 108594), (207, 96528), (216, 92506), (276, 72396), (368, 54297), (414, 48264), (432, 46253), (552, 36198), (621, 32176), (828, 24132), (1104, 18099), (1242, 16088), (1656, 12066), (2011, 9936), (2484, 8044), (3312, 6033), (4022, 4968)]