18864020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19249}}^1$

素因数の和:19272

約数の個数: 36

約数和(自身を含む): 46084500

約数和(自身を除く): 27220480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19249, 38498, 76996, 96245, 134743, 192490, 269486, 384980, 538972, 673715, 943201, 1347430, 1886402, 2694860, 3772804, 4716005, 9432010, 18864020]

約数ペア:

[(1, 18864020), (2, 9432010), (4, 4716005), (5, 3772804), (7, 2694860), (10, 1886402), (14, 1347430), (20, 943201), (28, 673715), (35, 538972), (49, 384980), (70, 269486), (98, 192490), (140, 134743), (196, 96245), (245, 76996), (490, 38498), (980, 19249)]