19208007

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 34944000

約数和(自身を除く): 15735993

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 499, 611, 819, 987, 1497, 1833, 2961, 3493, 4277, 4491, 5499, 6487, 10479, 12831, 19461, 23453, 31437, 38493, 45409, 58383, 70359, 136227, 164171, 211077, 304889, 408681, 492513, 914667, 1477539, 2134223, 2744001, 6402669, 19208007]

約数ペア:

[(1, 19208007), (3, 6402669), (7, 2744001), (9, 2134223), (13, 1477539), (21, 914667), (39, 492513), (47, 408681), (63, 304889), (91, 211077), (117, 164171), (141, 136227), (273, 70359), (329, 58383), (423, 45409), (499, 38493), (611, 31437), (819, 23453), (987, 19461), (1497, 12831), (1833, 10479), (2961, 6487), (3493, 5499), (4277, 4491)]