18628020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 58052904

約数和(自身を除く): 39424884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2797, 3330, 5594, 6660, 8391, 11188, 13985, 16782, 25173, 27970, 33564, 41955, 50346, 55940, 83910, 100692, 103489, 125865, 167820, 206978, 251730, 310467, 413956, 503460, 517445, 620934, 931401, 1034890, 1241868, 1552335, 1862802, 2069780, 3104670, 3725604, 4657005, 6209340, 9314010, 18628020]

約数ペア:

[(1, 18628020), (2, 9314010), (3, 6209340), (4, 4657005), (5, 3725604), (6, 3104670), (9, 2069780), (10, 1862802), (12, 1552335), (15, 1241868), (18, 1034890), (20, 931401), (30, 620934), (36, 517445), (37, 503460), (45, 413956), (60, 310467), (74, 251730), (90, 206978), (111, 167820), (148, 125865), (180, 103489), (185, 100692), (222, 83910), (333, 55940), (370, 50346), (444, 41955), (555, 33564), (666, 27970), (740, 25173), (1110, 16782), (1332, 13985), (1665, 11188), (2220, 8391), (2797, 6660), (3330, 5594)]