19230417

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 31299840

約数和(自身を除く): 12069423

約数列:

[1, 3, 9, 17, 37, 43, 51, 79, 111, 129, 153, 237, 333, 387, 629, 711, 731, 1343, 1591, 1887, 2193, 2923, 3397, 4029, 4773, 5661, 6579, 8769, 10191, 12087, 14319, 26307, 27047, 30573, 49691, 57749, 81141, 125689, 149073, 173247, 243423, 377067, 447219, 519741, 1131201, 2136713, 6410139, 19230417]

約数ペア:

[(1, 19230417), (3, 6410139), (9, 2136713), (17, 1131201), (37, 519741), (43, 447219), (51, 377067), (79, 243423), (111, 173247), (129, 149073), (153, 125689), (237, 81141), (333, 57749), (387, 49691), (629, 30573), (711, 27047), (731, 26307), (1343, 14319), (1591, 12087), (1887, 10191), (2193, 8769), (2923, 6579), (3397, 5661), (4029, 4773)]