19121580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2647

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 40318164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2591, 3690, 5182, 7380, 7773, 10364, 12955, 15546, 23319, 25910, 31092, 38865, 46638, 51820, 77730, 93276, 106231, 116595, 155460, 212462, 233190, 318693, 424924, 466380, 531155, 637386, 956079, 1062310, 1274772, 1593465, 1912158, 2124620, 3186930, 3824316, 4780395, 6373860, 9560790, 19121580]

約数ペア:

[(1, 19121580), (2, 9560790), (3, 6373860), (4, 4780395), (5, 3824316), (6, 3186930), (9, 2124620), (10, 1912158), (12, 1593465), (15, 1274772), (18, 1062310), (20, 956079), (30, 637386), (36, 531155), (41, 466380), (45, 424924), (60, 318693), (82, 233190), (90, 212462), (123, 155460), (164, 116595), (180, 106231), (205, 93276), (246, 77730), (369, 51820), (410, 46638), (492, 38865), (615, 31092), (738, 25910), (820, 23319), (1230, 15546), (1476, 12955), (1845, 10364), (2460, 7773), (2591, 7380), (3690, 5182)]