19478056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24067544

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 479, 598, 782, 884, 958, 1196, 1564, 1768, 1916, 2392, 3128, 3832, 5083, 6227, 8143, 10166, 11017, 12454, 16286, 20332, 22034, 24908, 32572, 40664, 44068, 49816, 65144, 88136, 105859, 143221, 187289, 211718, 286442, 374578, 423436, 572884, 749156, 846872, 1145768, 1498312, 2434757, 4869514, 9739028, 19478056]

約数ペア:

[(1, 19478056), (2, 9739028), (4, 4869514), (8, 2434757), (13, 1498312), (17, 1145768), (23, 846872), (26, 749156), (34, 572884), (46, 423436), (52, 374578), (68, 286442), (92, 211718), (104, 187289), (136, 143221), (184, 105859), (221, 88136), (299, 65144), (391, 49816), (442, 44068), (479, 40664), (598, 32572), (782, 24908), (884, 22034), (958, 20332), (1196, 16286), (1564, 12454), (1768, 11017), (1916, 10166), (2392, 8143), (3128, 6227), (3832, 5083)]