19998018

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{65353}}^1$

素因数の和:65378

約数の個数: 24

約数和(自身を含む): 45878508

約数和(自身を除く): 25880490

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 65353, 130706, 196059, 392118, 588177, 1111001, 1176354, 2222002, 3333003, 6666006, 9999009, 19998018]

約数ペア:

[(1, 19998018), (2, 9999009), (3, 6666006), (6, 3333003), (9, 2222002), (17, 1176354), (18, 1111001), (34, 588177), (51, 392118), (102, 196059), (153, 130706), (306, 65353)]