19245681

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:412

約数の個数: 60

約数和(自身を含む): 36112692

約数和(自身を除く): 16867011

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 351, 373, 441, 567, 637, 819, 1053, 1119, 1323, 1911, 2457, 2611, 3357, 3969, 4849, 5733, 7371, 7833, 10071, 14547, 17199, 18277, 23499, 30213, 33943, 43641, 51597, 54831, 70497, 101829, 130923, 164493, 211491, 237601, 305487, 392769, 493479, 712803, 916461, 1480437, 2138409, 2749383, 6415227, 19245681]

約数ペア:

[(1, 19245681), (3, 6415227), (7, 2749383), (9, 2138409), (13, 1480437), (21, 916461), (27, 712803), (39, 493479), (49, 392769), (63, 305487), (81, 237601), (91, 211491), (117, 164493), (147, 130923), (189, 101829), (273, 70497), (351, 54831), (373, 51597), (441, 43641), (567, 33943), (637, 30213), (819, 23499), (1053, 18277), (1119, 17199), (1323, 14547), (1911, 10071), (2457, 7833), (2611, 7371), (3357, 5733), (3969, 4849)]