19333980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2955

約数の個数: 72

約数和(自身を含む): 60252192

約数和(自身を除く): 40918212

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, 2903, 3330, 5806, 6660, 8709, 11612, 14515, 17418, 26127, 29030, 34836, 43545, 52254, 58060, 87090, 104508, 107411, 130635, 174180, 214822, 261270, 322233, 429644, 522540, 537055, 644466, 966699, 1074110, 1288932, 1611165, 1933398, 2148220, 3222330, 3866796, 4833495, 6444660, 9666990, 19333980]

約数ペア:

[(1, 19333980), (2, 9666990), (3, 6444660), (4, 4833495), (5, 3866796), (6, 3222330), (9, 2148220), (10, 1933398), (12, 1611165), (15, 1288932), (18, 1074110), (20, 966699), (30, 644466), (36, 537055), (37, 522540), (45, 429644), (60, 322233), (74, 261270), (90, 214822), (111, 174180), (148, 130635), (180, 107411), (185, 104508), (222, 87090), (333, 58060), (370, 52254), (444, 43545), (555, 34836), (666, 29030), (740, 26127), (1110, 17418), (1332, 14515), (1665, 11612), (2220, 8709), (2903, 6660), (3330, 5806)]