19153020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13879}}^1$

素因数の和:13914

約数の個数: 48

約数和(自身を含む): 55964160

約数和(自身を除く): 36811140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13879, 27758, 41637, 55516, 69395, 83274, 138790, 166548, 208185, 277580, 319217, 416370, 638434, 832740, 957651, 1276868, 1596085, 1915302, 3192170, 3830604, 4788255, 6384340, 9576510, 19153020]

約数ペア:

[(1, 19153020), (2, 9576510), (3, 6384340), (4, 4788255), (5, 3830604), (6, 3192170), (10, 1915302), (12, 1596085), (15, 1276868), (20, 957651), (23, 832740), (30, 638434), (46, 416370), (60, 319217), (69, 277580), (92, 208185), (115, 166548), (138, 138790), (230, 83274), (276, 69395), (345, 55516), (460, 41637), (690, 27758), (1380, 13879)]