18714465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 40832064

約数和(自身を除く): 22117599

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 491, 495, 605, 693, 847, 1089, 1155, 1473, 1815, 2455, 2541, 3437, 3465, 4235, 4419, 5401, 5445, 7365, 7623, 10311, 12705, 16203, 17185, 22095, 27005, 30933, 37807, 38115, 48609, 51555, 59411, 81015, 113421, 154665, 178233, 189035, 243045, 297055, 340263, 415877, 534699, 567105, 891165, 1247631, 1701315, 2079385, 2673495, 3742893, 6238155, 18714465]

約数ペア:

[(1, 18714465), (3, 6238155), (5, 3742893), (7, 2673495), (9, 2079385), (11, 1701315), (15, 1247631), (21, 891165), (33, 567105), (35, 534699), (45, 415877), (55, 340263), (63, 297055), (77, 243045), (99, 189035), (105, 178233), (121, 154665), (165, 113421), (231, 81015), (315, 59411), (363, 51555), (385, 48609), (491, 38115), (495, 37807), (605, 30933), (693, 27005), (847, 22095), (1089, 17185), (1155, 16203), (1473, 12705), (1815, 10311), (2455, 7623), (2541, 7365), (3437, 5445), (3465, 5401), (4235, 4419)]