18366700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 44372160

約数和(自身を除く): 26005460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 283, 295, 550, 566, 590, 649, 1100, 1132, 1180, 1298, 1415, 1475, 2596, 2830, 2950, 3113, 3245, 5660, 5900, 6226, 6490, 7075, 12452, 12980, 14150, 15565, 16225, 16697, 28300, 31130, 32450, 33394, 62260, 64900, 66788, 77825, 83485, 155650, 166970, 183667, 311300, 333940, 367334, 417425, 734668, 834850, 918335, 1669700, 1836670, 3673340, 4591675, 9183350, 18366700]

約数ペア:

[(1, 18366700), (2, 9183350), (4, 4591675), (5, 3673340), (10, 1836670), (11, 1669700), (20, 918335), (22, 834850), (25, 734668), (44, 417425), (50, 367334), (55, 333940), (59, 311300), (100, 183667), (110, 166970), (118, 155650), (220, 83485), (236, 77825), (275, 66788), (283, 64900), (295, 62260), (550, 33394), (566, 32450), (590, 31130), (649, 28300), (1100, 16697), (1132, 16225), (1180, 15565), (1298, 14150), (1415, 12980), (1475, 12452), (2596, 7075), (2830, 6490), (2950, 6226), (3113, 5900), (3245, 5660)]