18031040

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 45131736

約数和(自身を除く): 27100696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 116, 134, 145, 160, 232, 268, 290, 320, 335, 464, 536, 580, 670, 841, 928, 1072, 1160, 1340, 1682, 1856, 1943, 2144, 2320, 2680, 3364, 3886, 4205, 4288, 4640, 5360, 6728, 7772, 8410, 9280, 9715, 10720, 13456, 15544, 16820, 19430, 21440, 26912, 31088, 33640, 38860, 53824, 56347, 62176, 67280, 77720, 112694, 124352, 134560, 155440, 225388, 269120, 281735, 310880, 450776, 563470, 621760, 901552, 1126940, 1803104, 2253880, 3606208, 4507760, 9015520, 18031040]

約数ペア:

[(1, 18031040), (2, 9015520), (4, 4507760), (5, 3606208), (8, 2253880), (10, 1803104), (16, 1126940), (20, 901552), (29, 621760), (32, 563470), (40, 450776), (58, 310880), (64, 281735), (67, 269120), (80, 225388), (116, 155440), (134, 134560), (145, 124352), (160, 112694), (232, 77720), (268, 67280), (290, 62176), (320, 56347), (335, 53824), (464, 38860), (536, 33640), (580, 31088), (670, 26912), (841, 21440), (928, 19430), (1072, 16820), (1160, 15544), (1340, 13456), (1682, 10720), (1856, 9715), (1943, 9280), (2144, 8410), (2320, 7772), (2680, 6728), (3364, 5360), (3886, 4640), (4205, 4288)]