19741185

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 15538815

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 419, 1047, 1257, 1745, 2095, 3141, 3771, 5235, 6285, 9423, 11313, 15705, 18855, 47115, 56565, 146231, 438693, 731155, 1316079, 2193465, 3948237, 6580395, 19741185]

約数ペア:

[(1, 19741185), (3, 6580395), (5, 3948237), (9, 2193465), (15, 1316079), (27, 731155), (45, 438693), (135, 146231), (349, 56565), (419, 47115), (1047, 18855), (1257, 15705), (1745, 11313), (2095, 9423), (3141, 6285), (3771, 5235)]