19980030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{95143}}^1$

素因数の和:95160

約数の個数: 32

約数和(自身を含む): 54802944

約数和(自身を除く): 34822914

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 95143, 190286, 285429, 475715, 570858, 666001, 951430, 1332002, 1427145, 1998003, 2854290, 3330005, 3996006, 6660010, 9990015, 19980030]

約数ペア:

[(1, 19980030), (2, 9990015), (3, 6660010), (5, 3996006), (6, 3330005), (7, 2854290), (10, 1998003), (14, 1427145), (15, 1332002), (21, 951430), (30, 666001), (35, 570858), (42, 475715), (70, 285429), (105, 190286), (210, 95143)]