19170780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7793}}^1$

素因数の和:7846

約数の個数: 48

約数和(自身を含む): 54994464

約数和(自身を除く): 35823684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7793, 15586, 23379, 31172, 38965, 46758, 77930, 93516, 116895, 155860, 233790, 319513, 467580, 639026, 958539, 1278052, 1597565, 1917078, 3195130, 3834156, 4792695, 6390260, 9585390, 19170780]

約数ペア:

[(1, 19170780), (2, 9585390), (3, 6390260), (4, 4792695), (5, 3834156), (6, 3195130), (10, 1917078), (12, 1597565), (15, 1278052), (20, 958539), (30, 639026), (41, 467580), (60, 319513), (82, 233790), (123, 155860), (164, 116895), (205, 93516), (246, 77930), (410, 46758), (492, 38965), (615, 31172), (820, 23379), (1230, 15586), (2460, 7793)]