19439580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1153}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 54671904

約数和(自身を除く): 35232324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1153, 1405, 1686, 2306, 2810, 3372, 3459, 4215, 4612, 5620, 5765, 6918, 8430, 11530, 13836, 16860, 17295, 23060, 34590, 69180, 323993, 647986, 971979, 1295972, 1619965, 1943958, 3239930, 3887916, 4859895, 6479860, 9719790, 19439580]

約数ペア:

[(1, 19439580), (2, 9719790), (3, 6479860), (4, 4859895), (5, 3887916), (6, 3239930), (10, 1943958), (12, 1619965), (15, 1295972), (20, 971979), (30, 647986), (60, 323993), (281, 69180), (562, 34590), (843, 23060), (1124, 17295), (1153, 16860), (1405, 13836), (1686, 11530), (2306, 8430), (2810, 6918), (3372, 5765), (3459, 5620), (4215, 4612)]