19018038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 41249376

約数和(自身を除く): 22231338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1553, 2041, 3106, 4082, 4659, 6123, 9318, 12246, 20189, 40378, 60567, 121134, 243821, 487642, 731463, 1462926, 3169673, 6339346, 9509019, 19018038]

約数ペア:

[(1, 19018038), (2, 9509019), (3, 6339346), (6, 3169673), (13, 1462926), (26, 731463), (39, 487642), (78, 243821), (157, 121134), (314, 60567), (471, 40378), (942, 20189), (1553, 12246), (2041, 9318), (3106, 6123), (4082, 4659)]