18236439972

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{75641}}^1$

素因数の和:75869

約数の個数: 72

約数和(自身を含む): 47605746552

約数和(自身を除く): 29369306580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 181, 222, 333, 362, 444, 543, 666, 724, 1086, 1332, 1629, 2172, 3258, 6516, 6697, 13394, 20091, 26788, 40182, 60273, 75641, 80364, 120546, 151282, 226923, 241092, 302564, 453846, 680769, 907692, 1361538, 2723076, 2798717, 5597434, 8396151, 11194868, 13691021, 16792302, 25188453, 27382042, 33584604, 41073063, 50376906, 54764084, 82146126, 100753812, 123219189, 164292252, 246438378, 492876756, 506567777, 1013135554, 1519703331, 2026271108, 3039406662, 4559109993, 6078813324, 9118219986, 18236439972]

約数ペア:

[(1, 18236439972), (2, 9118219986), (3, 6078813324), (4, 4559109993), (6, 3039406662), (9, 2026271108), (12, 1519703331), (18, 1013135554), (36, 506567777), (37, 492876756), (74, 246438378), (111, 164292252), (148, 123219189), (181, 100753812), (222, 82146126), (333, 54764084), (362, 50376906), (444, 41073063), (543, 33584604), (666, 27382042), (724, 25188453), (1086, 16792302), (1332, 13691021), (1629, 11194868), (2172, 8396151), (3258, 5597434), (6516, 2798717), (6697, 2723076), (13394, 1361538), (20091, 907692), (26788, 680769), (40182, 453846), (60273, 302564), (75641, 241092), (80364, 226923), (120546, 151282)]