19884696

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 59512320

約数和(自身を除く): 39627624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 23, 24, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 163, 184, 204, 221, 276, 299, 312, 326, 391, 408, 442, 489, 552, 598, 652, 663, 782, 884, 897, 978, 1173, 1196, 1304, 1326, 1564, 1768, 1794, 1956, 2119, 2346, 2392, 2652, 2771, 3128, 3588, 3749, 3912, 4238, 4692, 5083, 5304, 5542, 6357, 7176, 7498, 8313, 8476, 9384, 10166, 11084, 11247, 12714, 14996, 15249, 16626, 16952, 20332, 22168, 22494, 25428, 29992, 30498, 33252, 36023, 40664, 44988, 48737, 50856, 60996, 63733, 66504, 72046, 89976, 97474, 108069, 121992, 127466, 144092, 146211, 191199, 194948, 216138, 254932, 288184, 292422, 382398, 389896, 432276, 509864, 584844, 764796, 828529, 864552, 1169688, 1529592, 1657058, 2485587, 3314116, 4971174, 6628232, 9942348, 19884696]

約数ペア:

[(1, 19884696), (2, 9942348), (3, 6628232), (4, 4971174), (6, 3314116), (8, 2485587), (12, 1657058), (13, 1529592), (17, 1169688), (23, 864552), (24, 828529), (26, 764796), (34, 584844), (39, 509864), (46, 432276), (51, 389896), (52, 382398), (68, 292422), (69, 288184), (78, 254932), (92, 216138), (102, 194948), (104, 191199), (136, 146211), (138, 144092), (156, 127466), (163, 121992), (184, 108069), (204, 97474), (221, 89976), (276, 72046), (299, 66504), (312, 63733), (326, 60996), (391, 50856), (408, 48737), (442, 44988), (489, 40664), (552, 36023), (598, 33252), (652, 30498), (663, 29992), (782, 25428), (884, 22494), (897, 22168), (978, 20332), (1173, 16952), (1196, 16626), (1304, 15249), (1326, 14996), (1564, 12714), (1768, 11247), (1794, 11084), (1956, 10166), (2119, 9384), (2346, 8476), (2392, 8313), (2652, 7498), (2771, 7176), (3128, 6357), (3588, 5542), (3749, 5304), (3912, 5083), (4238, 4692)]