18873088

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 41722128

約数和(自身を除く): 22849040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 107, 128, 208, 212, 214, 256, 416, 424, 428, 689, 832, 848, 856, 1378, 1391, 1664, 1696, 1712, 2756, 2782, 3328, 3392, 3424, 5512, 5564, 5671, 6784, 6848, 11024, 11128, 11342, 13568, 13696, 22048, 22256, 22684, 27392, 44096, 44512, 45368, 73723, 88192, 89024, 90736, 147446, 176384, 178048, 181472, 294892, 356096, 362944, 589784, 725888, 1179568, 1451776, 2359136, 4718272, 9436544, 18873088]

約数ペア:

[(1, 18873088), (2, 9436544), (4, 4718272), (8, 2359136), (13, 1451776), (16, 1179568), (26, 725888), (32, 589784), (52, 362944), (53, 356096), (64, 294892), (104, 181472), (106, 178048), (107, 176384), (128, 147446), (208, 90736), (212, 89024), (214, 88192), (256, 73723), (416, 45368), (424, 44512), (428, 44096), (689, 27392), (832, 22684), (848, 22256), (856, 22048), (1378, 13696), (1391, 13568), (1664, 11342), (1696, 11128), (1712, 11024), (2756, 6848), (2782, 6784), (3328, 5671), (3392, 5564), (3424, 5512)]