18882801

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 34280064

約数和(自身を除く): 15397263

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 653, 1071, 1377, 1701, 1959, 3213, 4131, 4571, 5877, 9639, 11101, 13713, 17631, 28917, 33303, 41139, 52893, 77707, 99909, 123417, 158679, 233121, 299727, 370251, 699363, 899181, 1110753, 2098089, 2697543, 6294267, 18882801]

約数ペア:

[(1, 18882801), (3, 6294267), (7, 2697543), (9, 2098089), (17, 1110753), (21, 899181), (27, 699363), (51, 370251), (63, 299727), (81, 233121), (119, 158679), (153, 123417), (189, 99909), (243, 77707), (357, 52893), (459, 41139), (567, 33303), (653, 28917), (1071, 17631), (1377, 13713), (1701, 11101), (1959, 9639), (3213, 5877), (4131, 4571)]