19776474

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 80

約数和(自身を含む): 48299328

約数和(自身を除く): 28522854

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 81, 86, 102, 129, 153, 162, 167, 258, 306, 334, 387, 459, 501, 731, 774, 918, 1002, 1161, 1377, 1462, 1503, 2193, 2322, 2754, 2839, 3006, 3483, 4386, 4509, 5678, 6579, 6966, 7181, 8517, 9018, 13158, 13527, 14362, 17034, 19737, 21543, 25551, 27054, 39474, 43086, 51102, 59211, 64629, 76653, 118422, 122077, 129258, 153306, 193887, 229959, 244154, 366231, 387774, 459918, 581661, 732462, 1098693, 1163322, 2197386, 3296079, 6592158, 9888237, 19776474]

約数ペア:

[(1, 19776474), (2, 9888237), (3, 6592158), (6, 3296079), (9, 2197386), (17, 1163322), (18, 1098693), (27, 732462), (34, 581661), (43, 459918), (51, 387774), (54, 366231), (81, 244154), (86, 229959), (102, 193887), (129, 153306), (153, 129258), (162, 122077), (167, 118422), (258, 76653), (306, 64629), (334, 59211), (387, 51102), (459, 43086), (501, 39474), (731, 27054), (774, 25551), (918, 21543), (1002, 19737), (1161, 17034), (1377, 14362), (1462, 13527), (1503, 13158), (2193, 9018), (2322, 8517), (2754, 7181), (2839, 6966), (3006, 6579), (3483, 5678), (4386, 4509)]