19763667

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 38039040

約数和(自身を除く): 18275373

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 79, 99, 133, 171, 209, 231, 237, 361, 399, 553, 627, 693, 711, 869, 1083, 1197, 1463, 1501, 1659, 1881, 2527, 2607, 3249, 3971, 4389, 4503, 4977, 6083, 7581, 7821, 10507, 11913, 13167, 13509, 16511, 18249, 22743, 27797, 28519, 31521, 35739, 49533, 54747, 83391, 85557, 94563, 115577, 148599, 199633, 250173, 256671, 313709, 346731, 598899, 941127, 1040193, 1796697, 2195963, 2823381, 6587889, 19763667]

約数ペア:

[(1, 19763667), (3, 6587889), (7, 2823381), (9, 2195963), (11, 1796697), (19, 1040193), (21, 941127), (33, 598899), (57, 346731), (63, 313709), (77, 256671), (79, 250173), (99, 199633), (133, 148599), (171, 115577), (209, 94563), (231, 85557), (237, 83391), (361, 54747), (399, 49533), (553, 35739), (627, 31521), (693, 28519), (711, 27797), (869, 22743), (1083, 18249), (1197, 16511), (1463, 13509), (1501, 13167), (1659, 11913), (1881, 10507), (2527, 7821), (2607, 7581), (3249, 6083), (3971, 4977), (4389, 4503)]