19160060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22353412

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 131, 142, 206, 262, 284, 355, 412, 515, 524, 655, 710, 1030, 1310, 1420, 2060, 2620, 7313, 9301, 13493, 14626, 18602, 26986, 29252, 36565, 37204, 46505, 53972, 67465, 73130, 93010, 134930, 146260, 186020, 269860, 958003, 1916006, 3832012, 4790015, 9580030, 19160060]

約数ペア:

[(1, 19160060), (2, 9580030), (4, 4790015), (5, 3832012), (10, 1916006), (20, 958003), (71, 269860), (103, 186020), (131, 146260), (142, 134930), (206, 93010), (262, 73130), (284, 67465), (355, 53972), (412, 46505), (515, 37204), (524, 36565), (655, 29252), (710, 26986), (1030, 18602), (1310, 14626), (1420, 13493), (2060, 9301), (2620, 7313)]