19807128

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 59389200

約数和(自身を除く): 39582072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 89, 99, 132, 178, 198, 264, 267, 281, 356, 396, 534, 562, 712, 792, 801, 843, 979, 1068, 1124, 1602, 1686, 1958, 2136, 2248, 2529, 2937, 3091, 3204, 3372, 3916, 5058, 5874, 6182, 6408, 6744, 7832, 8811, 9273, 10116, 11748, 12364, 17622, 18546, 20232, 23496, 24728, 25009, 27819, 35244, 37092, 50018, 55638, 70488, 74184, 75027, 100036, 111276, 150054, 200072, 222552, 225081, 275099, 300108, 450162, 550198, 600216, 825297, 900324, 1100396, 1650594, 1800648, 2200792, 2475891, 3301188, 4951782, 6602376, 9903564, 19807128]

約数ペア:

[(1, 19807128), (2, 9903564), (3, 6602376), (4, 4951782), (6, 3301188), (8, 2475891), (9, 2200792), (11, 1800648), (12, 1650594), (18, 1100396), (22, 900324), (24, 825297), (33, 600216), (36, 550198), (44, 450162), (66, 300108), (72, 275099), (88, 225081), (89, 222552), (99, 200072), (132, 150054), (178, 111276), (198, 100036), (264, 75027), (267, 74184), (281, 70488), (356, 55638), (396, 50018), (534, 37092), (562, 35244), (712, 27819), (792, 25009), (801, 24728), (843, 23496), (979, 20232), (1068, 18546), (1124, 17622), (1602, 12364), (1686, 11748), (1958, 10116), (2136, 9273), (2248, 8811), (2529, 7832), (2937, 6744), (3091, 6408), (3204, 6182), (3372, 5874), (3916, 5058)]