18695313

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 34728960

約数和(自身を除く): 16033647

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1087, 1323, 1911, 2457, 3261, 5733, 7609, 9783, 14131, 17199, 22827, 29349, 42393, 53263, 68481, 98917, 127179, 159789, 205443, 296751, 381537, 479367, 692419, 890253, 1438101, 2077257, 2670759, 6231771, 18695313]

約数ペア:

[(1, 18695313), (3, 6231771), (7, 2670759), (9, 2077257), (13, 1438101), (21, 890253), (27, 692419), (39, 479367), (49, 381537), (63, 296751), (91, 205443), (117, 159789), (147, 127179), (189, 98917), (273, 68481), (351, 53263), (441, 42393), (637, 29349), (819, 22827), (1087, 17199), (1323, 14131), (1911, 9783), (2457, 7609), (3261, 5733)]