18070880

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 48

約数和(自身を含む): 43518384

約数和(自身を除く): 25447504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2131, 4240, 4262, 8480, 8524, 10655, 17048, 21310, 34096, 42620, 68192, 85240, 112943, 170480, 225886, 340960, 451772, 564715, 903544, 1129430, 1807088, 2258860, 3614176, 4517720, 9035440, 18070880]

約数ペア:

[(1, 18070880), (2, 9035440), (4, 4517720), (5, 3614176), (8, 2258860), (10, 1807088), (16, 1129430), (20, 903544), (32, 564715), (40, 451772), (53, 340960), (80, 225886), (106, 170480), (160, 112943), (212, 85240), (265, 68192), (424, 42620), (530, 34096), (848, 21310), (1060, 17048), (1696, 10655), (2120, 8524), (2131, 8480), (4240, 4262)]