19400280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{601}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 58514400

約数和(自身を除く): 39114120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 601, 807, 1076, 1202, 1345, 1614, 1803, 2152, 2404, 2690, 3005, 3228, 3606, 4035, 4808, 5380, 6010, 6456, 7212, 8070, 9015, 10760, 12020, 14424, 16140, 18030, 24040, 32280, 36060, 72120, 161669, 323338, 485007, 646676, 808345, 970014, 1293352, 1616690, 1940028, 2425035, 3233380, 3880056, 4850070, 6466760, 9700140, 19400280]

約数ペア:

[(1, 19400280), (2, 9700140), (3, 6466760), (4, 4850070), (5, 3880056), (6, 3233380), (8, 2425035), (10, 1940028), (12, 1616690), (15, 1293352), (20, 970014), (24, 808345), (30, 646676), (40, 485007), (60, 323338), (120, 161669), (269, 72120), (538, 36060), (601, 32280), (807, 24040), (1076, 18030), (1202, 16140), (1345, 14424), (1614, 12020), (1803, 10760), (2152, 9015), (2404, 8070), (2690, 7212), (3005, 6456), (3228, 6010), (3606, 5380), (4035, 4808)]