19310955

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 13037205

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 309, 431, 435, 515, 1293, 1545, 2155, 2987, 6465, 8961, 12499, 14935, 37497, 44393, 44805, 62495, 133179, 187485, 221965, 665895, 1287397, 3862191, 6436985, 19310955]

約数ペア:

[(1, 19310955), (3, 6436985), (5, 3862191), (15, 1287397), (29, 665895), (87, 221965), (103, 187485), (145, 133179), (309, 62495), (431, 44805), (435, 44393), (515, 37497), (1293, 14935), (1545, 12499), (2155, 8961), (2987, 6465)]